Polycystic kidneys from a transplant patient. One was about 2700 grams (~6 pounds) and the other was about 3400grams(~7.5lbs). The normal weight of a kidney is around 150grams
Source: https://www.instagram.com/p/BrXghDmhnkR/?utm_source=ig_share_sheet&igshid=4mko0gc3g3bp