A 76-year-old man presented with pretibial edema and proteinuria. When examined: Blood pressure - 124/90 mmHg Pulse rate - 74 beats/min Serum creatinine - 3.6 mg/dL Blood urea nitrogen - 46.7 mg/dL Urinalysis: Proteinuria: 4.9 g/day Hematuria: 5–9 erythrocytes per high-power field Granular casts: 5–9 per high-power field Lipid casts: 5–9 per whole field What can be the most likely diagnosis for this patient? (Answer is posted in the comment section below!) Source: Case Reports in Nephrology *This Case Challenge is from the Editorial Team of Docplexus and is meant for educational purposes only.

##Disclaimer## The content provided on Docplexus is intended for educational purposes only. While we strive to ensure its accuracy, we make no warranties, explicit or implied, about the suitability, reliability, or adequacy of the information, including data visualization elements and graphics. We…