Renal disease in human immunodeficiency virus (HIV)-infected patients. It is characterized by nephrotic syndrome, azotemia, normal to large kidneys on ultrasound images, and focal segmental glomerulosclerosis on renal biopsy findings. The disease is Monarch Disease Ontology id MONDO_0005798 (HIV-associated nephropathy). Also known as: AIDS-associated nephropathy, AIDS-related nephropathy, HIV nephropathy, HIVAN.