This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
[{'content': 'Endometrial carcinoma on histopathology is which type \nSelect and explain. \nA. Adenocarcinoma, B. Clear cell, C. Squamous cell carcinoma, D. Transistional cell carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Endometrioid carcinomas closely resemble normal endometrium and may be exophytic or infiltrative . They include a range of histologic types, including those showing mucinous, tubal (ciliated), and squamous (occasionally adenosquamous) differentiation. ref : Robbins Basic Pathology, 9E,page-692', 'role': 'assistant'}]