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
An adult patient presents with normal or enlarged kidneys with massive proteinuria. Most likely cause is - 
Select and explain. 
A. Chronic pyelonephritis, B. Chronic glomerulonephritis, C. Amyloidosis, D. Renal aery stenosis
C: Amyloidosis
Answer: C: Amyloidosis 
Explanation: Answer- C. AmyloidosisAmyloidosis causes :-Enlarged kidneyMassive proteinuria (nephrotic range proteinuria)