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: Surgery
Most common site of metastasis from breast carcinoma: 
Select and explain. 
A. Thoracic vertebra, B. Pelvis, C. Femur, D. Lumbar vertebra
D: Lumbar vertebra
Answer: D: Lumbar vertebra 
Explanation: Ans. (d) Lumbar vertebra(Ref: Bailey 26/ep811)* MC site of bony mets - Lumbar vertebra > Femur > Thoracic Vertebra > Ribs > Skull.* Osteolytic secondaries are seen commonly.