This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'A 17 year old female underwent a fine needle aspiration cytology (FNAC) for a lump in the breast which was well defined, non-tender and mobile. The diagnosis of a benign lesion can be considered by which of the following pathological feature - \nSelect and explain. \nA. Dyschohesive ductal epithelial cells without cellular fragments, B. Tightly arranged ductal epithelial cells with dyscohesive bare nuclei, C. Stromal predominance with hyperplasia of spindle cells, D. Polymorphism with single or arranged ductal epithelia cells', 'role': 'user'}, {'content': 'Answer: B \nExplanation: . Tightly arranged ductal epithelial cells with dyscohesive bare nuclei', 'role': 'assistant'}]