"Merkel cell carcinoma (MCC) is a highly aggressive, often lethal neuroendocrine cancer of the skin associated with the recently discovered, common Merkel cell polyomavirus (MCV). With an incidence of 0.44 per 100,000 MCC is a very rare cancer. Notably, however, although MCC is 40 times less common than malignant melanoma, MCC has a dramatically higher mortality rate than melanoma rendering MCC to ...