Regression of primary malignant melanoma associated with a good prognosis despite metastasis to lymph nodes.
D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis; D008297:Male; D008545:Melanoma / Q000401:mortality* / Q000473:pathology; D008875:Middle Aged; D009365:Neoplasm Regression, Spontaneous; D011379:Prognosis; D012878:Skin Neoplasms / Q000401:mortality* / Q000473:pathology