Figure 4c. (a) Photograph of the gross resected liver specimen shows three discrete areas of thermocoagulation (arrows). (b) Photograph of the sectioned NADH-stained gross specimen shows an area of marked thermocoagulation (arrowheads) surrounding a 4-mm hepatic vein. (c) Photomicrograph (original magnification, x40; H-E stain) of the hepatic section shows an area of thermocoagulation (arrowheads) surrounding a 3-mm artery (arrows).