title: Pathologic quiz case 1: recurrent squamous cell carcinoma in situ.
mesh_terms: D000368:Aged; D002278:Carcinoma in Situ / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology*; D007830:Larynx / Q000473:pathology; D008297:Male; D009364:Neoplasm Recurrence, Local