[Case of synchronous quadruple cancer (esophageal melanoma, gastric cancer, colonic cancer and bladder cancer)].
D002291:Carcinoma, Papillary / Q000150:complications*; D004938:Esophageal Neoplasms / Q000150:complications*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000150:complications*; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary; D012811:Sigmoid Neoplasms / Q000150:complications*; D013274:Stomach Neoplasms / Q000150:complications*; D001749:Urinary Bladder Neoplasms / Q000150:complications*