Fig. 3From: Intrahepatic cholangiocarcinoma with a liver abscess due to hepatic actinomycosisNeedle biopsy findings. A Tubular adenocarcinoma with infiltrative growth of atypical ducts. B A typical sulfur granule (hematoxylin–eosin stain). C Tangled masses of branched and unbranched wavy bacterial filaments (Gram stain)Back to article page