<prompt> All of the following are true about carcinoma lip except:Non-healing ulcer or growth is the most common presentationMost common site is vermillion of lower lipIf 13rd or less of lip is involved, Abbe-Estlander flap is used for reconstructionAbbe-Estlander flap is based on superior labial aery  <response>: Carcinoma of lip: Non-healing ulcer or growth is the most common presentation Most common site is vermillion of lower lip - T1 T2 - Surgery is TOC - IF 13rd or less of lip is involved: V or W shaped full thickness excision with lateral margin of 5 mm primary closure. - If more than 13rd of lip is involved: Flap reconstruction Abbe-Estlander flap - T3 T4 - Combined radiation surgery vermilionectomy 