Pilonidal sinus carcinoma.
D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D006258:Head and Neck Neoplasms; D006801:Humans; D008499:Medical Records; D009369:Neoplasms; D010864:Pilonidal Sinus / Q000150:complications*; D012445:Sacrococcygeal Region; D000077195:Squamous Cell Carcinoma of Head and Neck
CARCINOMA, EPIDERMOID/case reports; PILONIDAL CYST/complications; SACROCOCCYGEAL REGION/neoplasms