Malignant changes in scleroma.
D002294:Carcinoma, Squamous Cell / Q000473:pathology* / Q000532:radiotherapy; D002471:Cell Transformation, Neoplastic / Q000473:pathology*; D003035:Cobalt; D006801:Humans; D008297:Male; D008875:Middle Aged; D009669:Nose Neoplasms / Q000473:pathology* / Q000532:radiotherapy; D010157:Palatal Neoplasms / Q000473:pathology* / Q000532:radiotherapy; D012226:Rhinoscleroma / Q000473:pathology* / Q000601:surgery
D003035:Cobalt