Which one of the following is not included in the treatment of malignant melanoma?
Radiation
Surgical excision
Chemotherapy
Immunotherapy
Ans. is 'a' i.e., Radiation Radiation is the best answer. Schwaz 9/e writes- "although initially thought to be ineffective in the treatment of melanoma, the use of radiation therapy, regional and systemic chemotherapy, and immunotherapy are all under investigation."