The dark brown color of the liver, as well as the pancreas (bottom center) and lymph nodes (bottom right) on sectioning is due to extensive iron deposition in a middle-aged man with hereditary hemochromatosis (HHC).

• 一例遗传性血色素沉着症(HHC)，中年男性患者体内发生广泛的铁沉积，导致其肝脏、胰腺（下中图）和淋巴结（下右图）的切面均呈暗褐色。