nonmelanoma

noun

non·​mel·​a·​no·​ma -ˌmel-ə-ˈnō-mə 

variants or non-melanoma

: a tumor that is not a melanoma : cancer that does not begin in melanocytes

Most skin cancers are nonmelanomas, which rarely spread to other parts of the body.

—Jim Ritter, The Chicago Sun-Times

—often used before another noun

The American Cancer Society says that each year more than 1 million new non-melanoma skin-cancer cases are reported …

—Stacy Perman, Time