<prompt> Carcinoma of 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>: Ans. is d i.e., Since lymph noded metastases are common after a radical dissection of neck is mandatory 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 Ref: Sabiston I8e p819 