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안정식,방호윤,이종인,노우철,황대용,최동욱,백남선,문난모,최태인,Ahn Jung-Sik,Bang Ho-Yoon,Lee Jong-Inn,Noh Woo-Chul,Hwang Dae-Yong,Choi Dong-Wook,Paik Nam-Sun,Moon Nan-Mo,Choi Tae-Inn 대한위암학회 2001 대한위암학회지 Vol.1 No.3
Purpose: The prognosis for early gastric cancer (EGC) is favorable, and the 10-year disease-specific survival rate is reported to be around $90\%$. The absolute number of recurred EGC is too small to assess the risk factors, so recruitment of a large number of cases for statistical analysis is very difficult. We carried out this study to analyze the incidence and the patterns of recurrence of EGC and to identify the clinicopathological risk factors for recurrence of EGC. Materials and Methods: The authors retrospectively investigated the follow-up records of 1418 patients who underwent a curative resection for EGC from Jan. 1984 to Dec. 1999 at the Korea Cancer Center Hospital and analyzed them with special reference to cancer recurrence. Results: In this retrospective study of 1418 cases, 43 patients died of a recurrence of gastric cancer, and 105 patients died of unrelated causes. The five-year and the ten-year overall survival rates were $89.6\%$ and $81.7\%$, respectively, while the five-year and the ten-year diseasespecific survival rates were $96.5\%$ and $94.3\%$, respectively. The recurrence patterns of the 45 recurred EGC were hematogenous metastasis (19 cases), lymph node (L/N) metastasis (8 cases), locoregional recurrence (2 cases), peritoneal seeding (3 cases), and combined form (13 cases). The mean time interval to recurrence was 38.6 months, and the number of delayed recurred cases after 5 years was 10 ($22.2\%$). Of the clinicopathologic factors, depth of invasion, L/N metastasis, macroscopic type, lymphatic invasion, and vessel invasion, were significant risk factors in the univariate analysis. However, in the multivariate analysis, only L/N metastasis was an independent prognostic factor. Conclusion: Based on the results of this study, L/N metastasis is an independent prognostic factor. Thus, in patients with node-positive disease, adjuvant therapy might be considered, and long-term close follow-up might facilitate early detection and treatment of recurrent disease due to delayed recurrence.
논문 : 분말야금 ; 금속간화합물의 연소합성에 미치는 승온속도의 영향에 관한 연구(1) (이론적 배경)
이승헌 ( Seung Hurn Lee ),안정식 ( Jung Sik Ahn ),이종현 ( Jong Hyun Lee ),장영섭 ( Young Seob Jang ),이룡호 ( Yong Ho Lee ),김용석 ( Yong Seog Kim ) 대한금속재료학회 ( 구 대한금속학회 ) 1998 대한금속·재료학회지 Vol.36 No.7
Effects of heating rate on the temperature profile of the combustion synthesis and on the homogeneity of the reaction product are investigated. Analysis of the temperature profile using a simple mathematical model indicated that a significant fraction of reactants is consumed during the precombustion duration, forming intermetallic compounds at the reactant interface, which was confirmed experimentally. The relationship between the parameters measured from the temperature profile and the degree of conversion of reactants to products are discussed.
구갑우(Koo Kab-Woo),안정식(Ahn Jung-Sik) 역사비평사 2009 역사비평 Vol.- No.88
At first, this article presents a theoretical framework for analysis in the KORUS relations. Special attention is given to three bilateral issues that emerged during Kim Yong Sam and Clinton governments, first of which is the first North Korea nuclear crisis and the ROK-US relationship of conflict and cooperation. The article follows the course of events with a thick description of the process that sparked a conflict between South Korea and the U.S. over each other's North Korean policy. Second issues is bilateral conflict and cooperation on restructuring of ROK-US alliance. There will be a description on why realignment in the bilateral relationship of alliance did not make a major agenda item. Third issue is related to bilateral conflict and cooperation over Korea's financial and currency crisis, which erupted at the end of the Kim Young Sam government. The 1997 economic crisis that led to an IMF bailout will be explained as a catastrophe incurred by transplantation of a U.S-enforced and ROK-embraced neoliberal economic institutions into Korea.