This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Etiological Factors of Neoplasia, Subject name: Pathology
Secondaries are common in all, except: 
Select and explain. 
A. Skull, B. Hand and feet bones, C. Proximal limb bones, D. Veebrae
B: Hand and feet bones
Answer: B: Hand and feet bones 
Explanation: Metastasis may occur any bone but most commonly involve axial skeleton (e.g. veebra, pelvis, ribs,skull, sternum) > Proximal femur > humerus. Metastasis in small bone of hand and feet are uncommon and usually originates in cancer of lung, kidney and colon