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BACKGROUND AND OBJECTIVES The purpose of this study is to investigate characteristics of synchronous and metachronous cancer in gastric cancer and to suggest appropriate methods of treatment management. METHODS We reviewed 4,593 patients who underwent operations for gastric cancer at Seoul National University Hospital from 1999 to 2005. We selected those(More)
Hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC) are the major adult liver cancers. The existence of combined hepatocellular-cholangiocarcinoma (CHC), a histopathologic intermediate form between HCC and CC, suggests phenotypic overlap between these tumors. Here, we applied an integrative oncogenomic approach to address the clinical and functional(More)
BACKGROUND Although the prognosis of early gastric cancer (EGC) is considered to be satisfactory, some patients experience disease recurrence after curative resection. This study was aimed at evaluating the recurrence rate, the recurrence patterns and the prognostic factors for recurrence of EGC as well as treatment results after recurrences. METHODS We(More)
BACKGROUND/AIMS Anatomical hepatectomy for small hepatocellular carcinomas (HCCs) is widely preferred but evidence concerning its benefits is inadequate. The aim of this study was to determine whether patient outcome is influenced by the method used to treat small single HCCs. METHODOLOGY An analysis was performed on 168 patients who underwent curative(More)
OBJECTIVES The purpose of this study was to determine the outcome of surgical resection for pancreatic cancer and to characterize the clinicopathologic features of actual long-term survivors. METHODS Of the 789 pancreatic cancer patients, we retrospectively analyzed 242 patients who underwent an operation between 1985 and 1999. Surgical resection with(More)
BACKGROUND The seventh TNM staging system for gastric cancer of the American Joint Committee on Cancer/International Union Against Cancer (AJCC/UICC) had a more detailed classification than the sixth TNM staging system for both the tumor (T) and lymph nodes (N). The authors compared survival rates assessed by the seventh staging system with those by the(More)
PURPOSE The poor prognosis of hepatocellular carcinoma (HCC) is, in part, due to the high rate of recurrence even after "curative resection" of tumors. Therefore, it is axiomatic that the development of an effective prognostic prediction model for HCC recurrence after surgery would, at minimum, help to identify in advance those who would most benefit from(More)
The roles of chemokine receptors in cancer metastatic processes continue to draw research attention. Here we evaluated the expression profiles of the chemokine receptors CCR7 and CXCR4 in gastric cancer, and their potential use as prognostic markers. The expressions of CCR7 and CXCR4 mRNA were analyzed by RT-PCR in 10 human gastric cancer cell lines and in(More)
BACKGROUND AND AIM Although more than 80% of undifferentiated early gastric cancers (EGC) are not associated with lymph node metastasis, endoscopic mucosal resection is not generally accepted as a means of curative treatment because of an abundance of conflicting data concerning clinicopathological characteristics and prognoses. The aim of this study was to(More)
BACKGROUND We investigated prognostic differences according to nodal status in patients with pT2a and pT2b stage gastric cancers. METHODS The clinicopathologic outcomes of 1118 patients who underwent curative resection and had 15 or more lymph nodes evaluated for pT2 stage gastric cancers between 1986 and 1996 were reviewed retrospectively. Of the study(More)