<prompt> The following are true about squamous cell carcinomaAit is a commoner malignant skin tumour than basal cell carcinoma Bit only occurs in the skin Cit is the most common skin tumour seen in transplant patientD metastasis is usually to the regional lymph nodesEthe tumour typically have everted edgesCDEABCBACDAE  <response>: Basal cell carcinoma is the most common malignant skin tumor. Squamos cell carcinoma can occur in the other organs such as the lungs and bladder. 