 Before the war, 53-year-old radiologist Dr. Amr Nassar treated patients in Gaza hospitals. Now, he is a hospital patient in Gaza. NPR's producer in Gaza, Anas Baba, met him in the hospital a few days after his release from Israeli detention. That man that I saw him in the pictures with a very rounded face, to suddenly see in front of me a doctor that he lost mainly half of his body weight,