This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plasma Cell Disorders and Multiple myeloma, Subject name: Pathology
Which of the following is false about monoclonal gammopathy of unknown significance (MGUS)? 
Select and explain. 
A. Less than 3g/dL of monoclonal protein, B. No evidence of Bence-Jones proteinuria, C. Bone marrow plasma cells less than 10%, D. Does not progress to multiple myeloma
D: Does not progress to multiple myeloma
Answer: D: Does not progress to multiple myeloma 
Explanation: MGUS: MGUS is the most common plasma cell disorder Asymptomatic BM Plasma Cells < 10% S. Para Protiens < 3g/dl 3% of MGUS ( aged > 50yr) can develop Multiple myeloma. 5% Of MGUS (aged >70yr) can develop multiple myeloma. Approximately 1% of patients with MGUS develop a symptomatic plasma cell neoplasm, usually multiple myeloma, per year.