Malignant melanoma of the lacrimal sac.
D000368:Aged; D006470:Hemorrhage; D006801:Humans; D007765:Lacrimal Apparatus / Q000473:pathology* / Q000601:surgery; D008297:Male; D008543:Melanins; D008545:Melanoma / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D009918:Orbital Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D011183:Postoperative Complications; D013666:Tears
D008543:Melanins