title: Carcinoma of the lip.
abstract: A retrospective analysis of 206 patients with lip cancer is presented. Poorly differentiated primary lesions have a high rate of metastases. The metastatic potential of well differentiated lesions, when classified by size in the TNM staging system, is the same as that of intraoral carcinoma. A therapeutic approach is proposed.
mesh_terms: D000328:Adult; D000818:Animals; D002294:Carcinoma, Squamous Cell; D005260:Female; D006801:Humans; D007972:Leukoplakia, Oral / Q000473:pathology / Q000601:surgery; D008048:Lip Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000473:pathology / Q000601:surgery; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D012189:Retrospective Studies; D012907:Smoking / Q000150:complications; D014466:Ultraviolet Rays / Q000009:adverse effects