This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Earliest changes of neoplastic transformation as seen at a microscope level is called \nSelect and explain. \nA. Hyperplasia, B. Metaplasia, C. Dysplasia, D. Carcinoma insitu', 'role': 'user'}, {'content': 'Answer: C \nExplanation: dysplasia is the loss of uniformity of individual cells as well as their architectural orientation carcinoma in situ dysplasia changes are marked but , lesion remains confirmed to normal tissue; pre invasiveneoplasm basement membrane is intact anaplasia is complete lack of differentiation of cells both morphologically and functionally', 'role': 'assistant'}]