This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumours of skin, Subject name: Dental
[{'content': 'The most commonly employed method for superficial, minimally invasive nodular Basal cell carcinoma (BCC)? \nSelect and explain. \nA. Topical 5-fluorouracil, B. Cryosurgery, C. Electro-desiccation and curettage, D. Mohs micrographic surgery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All given options are used for Rx of BCC, but Electro-desiccation and curettage (ED&C) is most commonly employed method for superficial, minimally invasive nodular BCCs and low-risk tumors. Wide local excision is selected for invasive, ill-defined, and more aggressive sub types of tumors, or for cosmetic reasons. Mohs micrographic surgery (MMS), a specialized type of surgical excision, best method for tumor removal while preserving uninvolved tissue.', 'role': 'assistant'}]