A 66 year old male presents with an ulcer on his cheek.
He says he has had an ulcer on his cheek for some time but recently he has
noticed that it seems to be becoming larger. He has no significant past
medical history apart from mild hypertension controlled with a thiazide
On examination you note an ulcer with an irregular
border. It is of variegate colour.
What is the likely diagnosis?
Basal cell carcinoma
Squamous cell carcinoma