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고성주,서재환,박흥규,이훈규,조승연,이운기,이정남,이영돈,조현이,Ko Seong Ju,Suh Jae Hwan,Park Heung Kyu,Lee Hoon Gyu,Cho Seung Yeon,Lee Woon Gi,Lee Jeong Nam,Lee Young Don,Cho Hyun Yee 대한위암학회 2001 대한위암학회지 Vol.1 No.3
Purpose: Submucosal gastric carcinomas metastasize to lymph nodes more often than the intramucosal gastric carcinomas. The objectives of this study are to clarify the characteristics of submucosal gastric carcinomas, especially in reference to the status of lymph node metastasis, and to explore the possibility of a minimally invasive operation. Materials and Methods: The clinicopathologic features of 88 patients with submucosal gastric carcinoma, all of whom were treated with a $D_{2}+\alpha$ gastrectomy between January 1994 and December 1999, were examined retrospectively with respect to the status of lymph nodes. The size, depth of submucosal invasion, histologic differentiation, location,and macroscopic finding of the tumor were investigated in association with the presence or the absence of lymph node metastasis. Results: Among the 88 patients, 15 ($17.05\%$) had lymph node metastasis, and the status of metastasis was significantly correlated with tumor size and depth of submucosal invasion. The frequency of metastasis was $0\%$ (0/7) of up to 1.0 cm and $18.5\%$ (15/81) over 1.0 cm in size (p=0.034) and $6.1\%$ (2/33) of up to 1.0mm and $23.6\%$ (13/55) over 1.0 mm in depth of submucosal invasion (p=0.042). Conclusion: The tumor size and depth of submucosal invasion are useful indicators of lymph node metastasis in submucosal gastric carcinoma. A minimally invasive operation can be applied for submucosal gastric carcinoma up to 1.0 cm in size Further studies are needed to limited surgery for depth of submucosal invasion.
김병일(Byung-Il Kim),유홍성(Hong-Sung Yoo),서재환(Jae-Hwan Suh) 한국항만경제학회 2009 韓國港灣經濟學會誌 Vol.25 No.2
본 연구는 선행연구와 전문가 인터뷰를 통하여 항만물류네트워크가 제공하는 서비스 경쟁력의 주요속성들을 추출하고, 이 속성들을 토대로 인천항의 경쟁력 변화에 따른 파급효과를 분석하였다. 연구결과 항만물류네트워크가 제공하는 서비스는 시설편의, 접근편의, 결정편의로 구분됨을 확인하였고, 항만간 물류네트워크 경쟁력 통합평가치의 결과에서는 부산항>청도항>천진항>대련항>인천항 순으로 경쟁력 차이를 보였다. 특히 시나리오 분석 결과 인천항의 물류네트워크 경쟁력은 대련항에도 크게 못 미치는 결과를 보여 전반적인 물류네트워크 서비스 증대가 불가피한 것으로 나타났다. 퍼지역평가를 통해 분석한 결과 인천항은 물류 네트워크가 제공하는 서비스 수준을 시설편의 25%, 접근편의 8%, 결정편의 1%를 상승시킴으로써 대련항과 대등한 경쟁력 수준을 유지할 수 있었다. This study extracted the major attributes of the competitiveness of services provided by port logistics networks from previous research and interviews with experts and, based on the attributes, analyzed the effects of change in the competitiveness of the Incheon Port. According to the results, services provided by port logistics networks were divided into facility conveniences, access conveniences, and decision conveniences. In the results on the integrated value of the competitiveness of logistics network among ports, competitiveness was high in order of Busan Port>Qigndao Port>Tianjin Port>Dalian Port>Incheon Port. Particularly in the results of scenario analysis, with the elevation of one or two factors of logistics network service, the Incheon Port was even inferior to the Dalian Port, which had the lowest competitiveness among the ports compared. In the results of reversed fuzzy analysis, the Incheon Port could maintain equal competitiveness with the Dalian Port by raising the service level of the logistics network by 25% for facility conveniences, by 8% for access conveniences, and by 1% for decision conveniences.