system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Most common bony metastasesis due to which primary?
assistant
The correct answer is  Ans. is 'a' i.e., Prostate * Bone is a common site of metastasis for carcinomas of the prostate, breast, lung, kidney, bladder, and thyroid and for lymphomas and sarcomas.* Prostate, breast, and lung primaries account for 80% of all bone metastases.