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: Surgery
[{'content': "Most malignant type of carcinoma breast is? \nSelect and explain. \nA. Paget's disease, B. Anaplastic carcinoma, C. Scirrhous's carcinoma, D. Mastitis carcinomatosa", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' Mastitis carcinomatosa Favourable histologic types Less ourable histologic types Least ourable histologic type * Tubular Ca * Medullary cancer * Inflammatory Ca (Mastitis * Colloid or mutinous * Invasive lobular cancer Carcinomatosa) * Papillary Ca * Invasive ductal cancer - prognosis is very bad, next to inflammatory Ca", 'role': 'assistant'}]