Squamous cell carcinoma of the lacrimal sac.
D002294:Carcinoma, Squamous Cell / Q000601:surgery*; D006801:Humans; D007765:Lacrimal Apparatus / Q000473:pathology*; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D009918:Orbital Neoplasms / Q000601:surgery*