<prompt> Secondaries are common in all, except:SkullHand and feet bonesProximal limb bonesVeebrae  <response>: 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 