👉 The term "antitumor" typically refers to a type of cancer that is not directly caused by the tumor itself, but rather by factors outside its control. This can include genetic mutations, environmental exposures, or other external factors that may contribute to the development of cancer. In terms of specific examples, antitumor drugs are medications designed to target and reduce the growth of tumors. These drugs work by interfering with the normal cell cycle, which is the process by which cells divide and grow. By