an autopsy case of mesenchymal hamartoma of the liver was reported and from the macroscopical observation and serial sections of the tumor the following findings were found : ( 1 ) macroscopically the tumor is supplied by only one large triad , ( 2 ) in the tumor hepatic lobular structure is fundamentally preserved and prolifereated bile ducts with surrounding fibrosis and many bile thrombi are mainly elongated and dilated hering 's canals , ( 3 ) the cysts connect with dilated interlobular bile ducts , ( 4 ) there are two portions , where connection of bile ducts is incomplete , that is , from hering 's canals to interlobular bile ducts and from interlobular ducts to large ducts in the large triad of ( 1 ) , ( 5 ) almost all portal veins in the large triad of ( 2 ) are stenosed or obliterated by loose intimal fibrosis .
C0027651
tumor
C0010709
cysts