<prompt> Carcinoma of the lip is characterized by the following except that -90 of the lip cancers occur on the lower lipThe most common site of origin is the vermillion border2 cm X 2 cm cell carcinomas can be treated by V shaped excision and primary closureSince lymph noded metastases are common after a radical dissection of neck is mandatory  <response>: Lymph node metastases in lip cancer is not common. Seen in less than 10 cases.Most common site of lip cancer is lower lip 88 to 98 upper lip 2 to 7 oral commissure 1.Most common cancer is squamous cell carcinoma.Most common cancer for upper lip is Basal cell carcinoma. 