Surgical treatment of squamous cell carcinoma of the lower lip: evaluation of long-term results and prognostic factors--a retrospective analysis of 184 patients.

Purpose: A retrospective study was undertaken to evaluate the results of surgical treatment of primary squamous cell carcinoma of the vermilion border of the lower lip and to identify parameters of the primary tumor that may predict local recurrence and regional metastasis.

Patients And Methods: From 1979 through 1992, 184 consecutive patients with a primary squamous cell carcinoma of the lower lip underwent surgical excision as a primary treatment. There were 166 (90.