This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Surgery
[{'content': 'Most common subtype of Rodent ulcer is: \nSelect and explain. \nA. Superficial, B. Cystic, C. Nodular, D. Pigmented', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Rodent ulcer is also known as basal cell carcinoma of the skin, or tear cancer which is a slow-growing type of cancer. Types of Rodent ulcers: Nodular (90%) (MC) Pigmented Cystic Superficial The most common type being nodular which has characteristic pearly whitenodules in the periphery with centralumbilication and telangiectatic vessels. Risk factor includes ultraviolet radiation', 'role': 'assistant'}]