Question

what is the most common malignancy of bone? please select your answer... a leukemia b metastasis c myeloma

Explanation:

Metastatic tumors (metastasis) to the bone are far more common than primary bone malignancies. Cancers originating in other organs (like breast, lung, prostate) frequently spread to bone, making this the most prevalent bone malignancy. Leukemia and myeloma are hematologic malignancies that can affect bone but are not the most common bone malignancies overall.

Answer:

B. metastasis