This document discusses anticancer drugs, summarizing that they either kill cancer cells or modify their growth. It classifies common anticancer drugs such as nitrogen mustards, hexalen, azaserine, nipent, and cytarabine. The document also lists some common types of cancer treatment including chemotherapy, radiotherapy, immunotherapy, and surgery. Finally, it outlines some common symptoms of cancer like weight loss, coughing, blood in the stool or urine, headaches, and back pain.