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We can measure the ICG-K value by PDD at the bedside without time delay, and we can predict liver failure in the early postoperative period by the ICG-K values on postoperative day 1. ICG-K values measured by PDD can provide important information for perioperative management.

These findings suggested that SOCS-1 may act as a tumor suppressor in at least some colorectal cancers and that SOCS-1 methylation may be a particular phenomenon related to a nearly onset of colorectal cancer.

We report a rare case of metachronous double cancer of the biliary tract. At age 59 years, a man had undergone a cholecystectomy and resection of the liver bed for gallbladder cancer pathologically diagnosed as papillary adenocarcinoma, in 1997. Four years later, he was admitted to our hospital with jaundice. At first, we suspected lymph node metastasis of the gallbladder cancer along the common bile duct. But abdominal computed tomography demonstrated circular wall thickness of the common bile duct, so primary bile duct cancer was strongly suspected. Thus, extended right hepatectomy and pancreaticoduodenectomy were performed after right portal vein embolization. The pathological diagnosis of the resected specimen was well-differentiated tubular adenocarcinoma, and this case was clarified to be metachronous double cancer. A review of the literature regarding double cancer of the biliary tract is presented following this case report. We showed that half of 30 cases of double cancer of the biliary tract were not associated with pancreaticobiliary maljunction, including all 6 metachronous cases.