This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Problems in Burn Care, Subject name: Surgery
[{'content': 'Most common cancer arising from a burns scar is: \nSelect and explain. \nA. Adeno carcinoma, B. Fibrosarcoma, C. Squamous carcinoma, D. Adeno squamous carcinoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans: C (Squamous carcinoma) Ref: Bailey & Love's Short Practice of Surgery, 25th Edition 611Explanation:Squamous carcinoma of SkinSecond most common form of skin cancerTwice more common in menRisk factorsUV rays exposureChronic inflammationChronic sinus tractsPre-existing searsOsteomyelitisBumsVaccination pointsImmunosuppression (organ-transplant recipients)Chemical carcinogens (arsenieals, tar)HPV5 and HPY16 infe etionTobacco useClinical featuresLesions vary from smooth nodular to verrucous, papillomatous and ulcerating lesions.All variants will eventually ulcerate as they grow.The u leers hav e a characterisecally e verted edgeDiagnosis - By biopsyManagementSurgical excisionLesion < 2 cm - Excision with 4mm marginLesion > 2 cm Excision with l cm margin", 'role': 'assistant'}]