title: Spindle-cell squamous carcinoma of the lip; report of four cases.
mesh_terms: D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D008046:Lip; D008048:Lip Neoplasms; D008499:Medical Records; D012878:Skin Neoplasms
keywords: CARCINOMA, EPIDERMOID/case reports; LIPS/neoplasms