Characters who have experienced or been diagnosed with cancer, a disease caused by an uncontrolled division of abnormal cells in a part of the body, or "Genetic damage causing out-of-control replication in cells".^[1] This disease can be caused by carcinogen materials, and is also known as the "inner decay" to the Titanians or the "blackend" to the Kree.^[2]

Those categorized here are characters whose type of cancer has not been specified.
Please see the subcategories for cancer patients with more definitive diagnoses.