<prompt> Commonest cancer in burn scar isSquamous cell carcinomaFibrosarcomaAdenocarcinomaAdenosquamous carcinoma  <response>: The commonest cancer associated with burns is squamous cell carcinoma. This is also known as marjolins ulcer and this malignancy sta from the scar tissue of burns. Treatment is wide local excision, in case of large ulcer, amputation is required. Reference : SRBs Manual of Surgery, 6th Edition, page no 283. 