title: Pulmonary melanoma. Primary vs metastatic.
abstract: We report one of the few cases of apparently primary pulmonary melanomas documented by both clinical and autopsy examination. The possibility of spontaneous regression of a melanoma primary in another site after metastasis has occurred may explain some of these cases.
mesh_terms: D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology / Q000556:secondary*; D008297:Male; D008545:Melanoma / Q000473:pathology / Q000556:secondary*; D009362:Neoplasm Metastasis