Sweating, particularly excessive sweating or night sweats, is a symptom that can be associated with various types of cancer. It can result from the body's response to the cancer itself, treatment side effects, or even as a symptom of an infection. In some cancers, such as lymphomas and leukemias, sweating is more frequently observed. This is often due to the body's immune response to the cancer cells or due to certain inflammatory cytokines released into the bloodstream.