This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
True about Myeloma is all, except - 
Select and explain. 
A. Plasma cell clonal proliferation, B. Common after 50 yrs of age, C. Amyloidosis can occur, D. Protein casts in urine are made up of complete Ig chains
D: Protein casts in urine are made up of complete Ig chains
Answer: D: Protein casts in urine are made up of complete Ig chains 
Explanation: None