U.S. First Lady Jill Biden speaks during a visit to the Family Health Centers of San Diego clinic ahead of World Cancer Day and following the anniversary of the recognition of the Cancer Moonshot, in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

U.S. First Lady Jill Biden visits the Family Health Centers of San Diego clinic ahead of World Cancer Day and following the anniversary of the recognition of the Cancer Moonshot, in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

U.S. First Lady Jill Biden speaks during a visit to the Family Health Centers of San Diego clinic ahead of World Cancer Day and following the anniversary of the recognition of the Cancer Moonshot, in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

U.S. First Lady Jill Biden speaks during a visit to the Family Health Centers of San Diego clinic ahead of World Cancer Day and following the anniversary of the recognition of the Cancer Moonshot, in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

U.S. First Lady Jill Biden visits the Family Health Centers of San Diego clinic ahead of World Cancer Day and following the anniversary of the recognition of the Cancer Moonshot, in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

A group of women holds a celebration for Sahar and Samia, and the founders of the Nahr el-Hub before they leave for a 15-day Umrah pilgrimage to Mecca, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

Sahar Mohammed Ismail, 48, from Aswan, one of the cancer patients hosted by Nahr el-Hub, is preparing her suitcase because she was selected to go for a 15-day Umrah pilgrimage to Mecca, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

The suitcase of one of the patients hosted by Nahr el-Hub, who was selected to go for a 15-day Umrah pilgrimage to Mecca, is pictured in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

A group of women holds a celebration for Sahar and Samia, and the founders of the Nahr el-Hub before they leave for a 15-day Umrah pilgrimage to Mecca, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

A group of women prepares food for cancer patients hosted by Nahr el-Hub, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

A group of women poses for a selfie with Sahar and Samia before they leave for the Umrah pilgrimage to Mecca in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

A group of women holds their hands out to pray, with Hajja Abla and Asma, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

Samia Hassan, 38, from South Sinai, looks through her room's window, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three female Egyptian retirees, to offer housing and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

Abla Sarhan, Khadra Abdul-Mohsen and Asma Uthman the founders of the Nahr al-Hub (The love river), pose for a portrait, in Giza, Egypt, January 29, 2023. Nahr el-Hub was set up by three Egyptian retirees women, to offer a free hosted and support for cancer patients who are not residents of Cairo and were forced to come to the capital for treatment at the hospital. REUTERS/Fatma Fahmy 

Ayoub Jabri, who suffers from neck cancer, looks at his father at the Al-Shafaqa foundation housing them in Sanaa, Yemen January 11, 2023. REUTERS/Khaled Abdullah 

U.S. President Joe Biden returns alone to the White House after accompanying first lady Jill Biden as she underwent Mohs surgery to remove cancerous skin lesions, in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden returns alone to the White House after accompanying first lady Jill Biden as she underwent Mohs surgery to remove cancerous skin lesions, in Washington, U.S. January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden returns alone to the White House after accompanying first lady Jill Biden as she underwent Mohs surgery to remove cancerous skin lesions, in Washington, U.S. January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden returns alone to the White House after accompanying first lady Jill Biden as she underwent Mohs surgery to remove cancerous skin lesions, in Washington, U.S. January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden walks before boarding the Marine One helicopter to travel to Walter Reed National Military Medical Center for the first lady Jill Biden to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden walks before boarding the Marine One helicopter to travel to Walter Reed National Military Medical Center for the first lady Jill Biden to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden walks to board the Marine One helicopter to travel to Walter Reed National Military Medical Center to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden walks before boarding the Marine One helicopter to travel to Walter Reed National Military Medical Center to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden walks before boarding the Marine One helicopter to travel to Walter Reed National Military Medical Center to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden and first lady Jill Biden travel on board the Marine One helicopter to the Walter Reed National Military Medical Center for the first lady to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S. January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden and first lady Jill Biden travel on board the Marine One helicopter to the Walter Reed National Military Medical Center for the first lady to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S. January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden speaks with the media before boarding the Marine One helicopter to travel to Walter Reed National Military Medical Center for the first lady Jill Biden to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden and first lady Jill Biden walk to board the Marine One helicopter to travel to Walter Reed National Military Medical Center for the first lady to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

U.S. President Joe Biden walks before boarding the Marine One helicopter to travel to Walter Reed National Military Medical Center for the first lady Jill Biden to undergo Mohs surgery for skin cancer, from the White House in Washington, U.S., January 11, 2023. REUTERS/Jonathan Ernst 

An employee of the National Oncology Center prepares medicines at the center in Sanaa, Yemen January 10, 2023. REUTERS/Khaled Abdullah 

A radiotherapy technician prepares for administering a radiation treatment for a cancer patient at the National Oncology Center in Sanaa, Yemen January 10, 2023. REUTERS/Khaled Abdullah 

Nurses attend to Ayoub Jabri, who suffers from neck cancer, at the emergency ward of the National Oncology Center in Sanaa, Yemen January 10, 2023. REUTERS/Khaled Abdullah 

An employee of the National Oncology Center stands next to medicines at the center in Sanaa, Yemen January 10, 2023. REUTERS/Khaled Abdullah 

Ayoub Jabri, who suffers from neck cancer lies, on a bed at the emergency ward of the National Oncology Center in Sanaa, Yemen January 10, 2023. REUTERS/Khaled Abdullah 

Ayoub Jabri, who suffers from neck cancer, lies on a bed at the emergency ward of the National Oncology Center in Sanaa, Yemen January 10, 2023. REUTERS/Khaled Abdullah 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children’s cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Participants eliminated from the competition watch as drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

A driver takes part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

A driver takes part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

A driver takes part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Participants eliminated from the competition watch as drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Participants eliminated from the competition watch as drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Drivers take part in a car demolition derby organised by the Cars and Motorcycles Sport Association (Malta) to raise funds for the Puttinu Cares children's cancer support group in Ta' Qali, Malta, January 8, 2023. REUTERS/Darrin Zammit Lupi 

Radiotherapy masks are pictured at the National Oncology Center in Sanaa, Yemen December 28, 2022. REUTERS/Khaled Abdullah 

A cancer patient lies on a bed at the National Oncology Center in Sanaa, Yemen December 28, 2022. REUTERS/Khaled Abdullah 

A cancer patient lies on a bed at the National Oncology Center in Sanaa, Yemen December 28, 2022. REUTERS/Khaled Abdullah 

A nurse talks to a cancer patient at the National Oncology Center in Sanaa, Yemen December 28, 2022. REUTERS/Khaled Abdullah 

A boy cancer patient looks as he sits on a bed at the National Oncology Center in Sanaa, Yemen December 28, 2022. REUTERS/Khaled Abdullah 

A radiotherapy technician looks at a computer screen at the National Oncology Center in Sanaa, Yemen December 28, 2022. REUTERS/Khaled Abdullah 

A view of the exterior of Paideia International Hospital, where Soccer-Former AC Milan and Bologna manager Sinisa Mihajlovic died on Friday after a long battle with cancer, in Rome, Italy December 16, 2022. REUTERS/Remo Casilli 

A view of the exterior of Paideia International Hospital, where Soccer-Former AC Milan and Bologna manager Sinisa Mihajlovic died on Friday after a long battle with cancer, in Rome, Italy December 16, 2022. REUTERS/Remo Casilli 

U.S. first lady Jill Biden hosts a conversation with spouses of leaders attending the U.S.-Africa Leaders Summit called "Breaking Down Barriers to Cancer Services for Women and Girls" at the Kennedy Center for Performing Arts in Washington, U.S. December 14, 2022. REUTERS/Evelyn Hockstein 

U.S. First Lady Jill Biden stands next to U.S. Second Gentleman Douglas Emhoff, as she hosts a conversation with spouses of leaders attending the U.S.-Africa Leaders Summit called "Breaking Down Barriers to Cancer Services for Women and Girls" at the Kennedy Center for Performing Arts in Washington, U.S. December 14, 2022. REUTERS/Evelyn Hockstein