why do cancer patients swell up
Chemotherapy-related, or cancer swelling: 1  Some chemotherapy drugs can cause fluid retention in the body. 2  This form of cancer swelling is most noticable in the feet, ankles, hands, and face.3  Swelling or angioedema may also occur with hives as part of an allergic reaction.hemotherapy-related, or cancer swelling: 1  Some chemotherapy drugs can cause fluid retention in the body. 2  Swelling or angioedema may also occur with hives as part of an allergic reaction.