<prompt> Most common bony metastasesis due to which primary?ProstateKidneyLiverMelanoma  <response>: 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. 