Malignant melanoma of the digestive system.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001003:Anal Canal / Q000473:pathology; D001005:Anus Neoplasms / Q000453:epidemiology / Q000473:pathology*; D001706:Biopsy; D001932:Brain Neoplasms / Q000556:secondary; D002648:Child; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000473:pathology*; D004947:Esophagus / Q000473:pathology; D005260:Female; D005704:Gallbladder / Q000473:pathology; D005706:Gallbladder Neoplasms / Q000453:epidemiology / Q000473:pathology*; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008545:Melanoma / Q000453:epidemiology / Q000473:pathology* / Q000556:secondary / Q000628:therapy; D008875:Middle Aged; D012737:Sex Factors