Sebaceous adenocarcinoma.
D000230:Adenocarcinoma / Q000648:ultrastructure*; D000368:Aged; D005153:Facial Neoplasms / Q000648:ultrastructure*; D006801:Humans; D008297:Male; D008855:Microscopy, Electron, Scanning; D012626:Sebaceous Gland Neoplasms / Q000648:ultrastructure*; D012627:Sebaceous Glands / Q000648:ultrastructure