Mitomycin is used in the treatment of certain kinds of cancer of pancreas, breast, lung and stomach. It can be used on its own, or sometimes given together with certain other medicines as part of combination chemotherapy.
Mitomycin - National Cancer Institute
May Treat: Pancreatic cancer · Breast cancer · Non-small cell lung cancer · Stomach cancer
Mitomycin Uses, Side Effects & Warnings - Drugs.com