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한희,최성빈 한국전략문제연구소 1999 전략연구 Vol.6 No.1
It is not difficult that new concept of warfare requires dramatical changes of not only force building structures but also national defense industry structures in near future. We can find a system in recent event that platform oriented industries in U. S. A. demolished or reduced after Gulfwar. A concept known as "information warfare" is rooted in the indisputable fact that information technologies are increasingly important to national security in general and to future warfare specifically which will increasingly by the struggle over information systems. Therefore, those who master the techniques of information warfare will find themselves at an advantage over those who have not: information warfare will relegate other, more traditional and conventional forms of warfare to the side lines. Now, we must accept a new paradigm of warfare which is for information warriors than maneuver warriors. It means that our force building policy have to change dramatically, may be after unification of Korea peninsula, and local defence industry to information defence industry. Information warfare force structure will requite defence industry change from quantitative based to quality based system. So, the MND policy will drive the defence industry changing to the high-tech oriented industry which can concentrated to the information warfare weapon system development rather than platform system only. This kind of changing will increase the dependency of commercially used technology and product to the development process. Function management system will be also shifted to project based management system.
한희지,김주리,남희림,금기창,서창옥,김용배 대한방사선종양학회 2014 Radiation Oncology Journal Vol.32 No.3
To evaluate non-sentinel lymph node (LN) status after sentinel lymph node biopsy (SNB) in patients with breast cancer and to identify the predictive factors for disease failure. Materials and Methods: From January 2006 to December 2007, axillary lymph node (ALN) dissection after SNB was performed for patients with primary invasive breast cancer who had no clinical evidence of LN metastasis. A total of 320 patients were treated with breast-conserving surgery and radiotherapy. Results: The median age of patients was 48 years, and the median follow-up time was 72.8 months. Close resection margin (RM) was observed in 13 patients. The median number of dissected SNB was two, and that of total retrieved ALNs was 11. Sentinel node accuracy was 94.7%, and the overall false negative rate (FNR) was 5.3%. Eleven patients experienced treatment failure. Local recurrence, regional LN recurrence, and distant metastasis were identified in 0.9%, 1.9%, and 2.8% of these patients, respectively. Sentinel LN status were not associated with locoregional recurrence (p > 0.05). Close RM was the only significant factor for disease-free survival (DFS) in univariate and multivariate analysis. The 5-year overall survival, DFS, and locoregional DFS were 100%, 96.8%, and 98.1%, respectively. Conclusion: In this study, SNB was performed with high accuracy and low FNR and high locoregional control was achieved.