Medicine A patient of multiple myeloma presents with bony lesions. What is the best marker for prognosis of the disease – A Bone marrow plasma cell B Serum calcium level C Beta 2 microglobulin D Beta microglobulin 💡 Explanation A patient of multiple myeloma presents with bony lesions. What is the best marker for prognosis of the disease - ✓ Correct Answer: C. Beta 2 microglobulin