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Gastric Adenocarcinoma with Thymic Metastasis after Curative Resection: A Case Report
Matsunaga, Tomoyuki,Saito, Hiroaki,Miyatani, Kozo,Takaya, Seigo,Fukumoto, Yoji,Osaki, Tomohiro,Ikeguchi, Masahide The Korean Gastric Cancer Association 2014 Journal of gastric cancer Vol.14 No.3
The peritoneum is the most frequent site of recurrence for gastric cancer after gastrectomy, followed by the liver and lymph nodes. In contrast, metastasis to the thymus is rare. Annual surveillance with computed tomography was performed on a 67-year-old man who previously underwent a distal gastrectomy and D2 lymph node dissection for gastric cancer at Tottori University. Five years after the initial operation, an anterior mediastinal tumor was detected by computed tomography. The patient underwent video-assisted thoracic surgery to remove the tumor. Histopathology revealed adenocarcinoma cells similar to those of the gastric cancer resected 5 years previously. Thymic metastasis was considered likely based on the location of the tumor. The recognition that gastric cancer can metastasize to unusual anatomic locations, such as the thymus, can facilitate an accurate, prompt diagnosis and appropriate treatment.
Grid Computing for High-Energy Physics in Japan
Hiroyuki Matsunaga 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.55 No.5
The current status of and the plan for grid computing for high-energy physics in Japan are reported. A Tier-2 computing center supporting the ATLAS experiment has been running at the University of Tokyo. Recent results of the data transfer from the Tier-1 site are given in detail. Another Tier-2 center at Hiroshima University for the ALICE experiment and the Grid-related activities at High Energy Accelerator Research Organization (KEK) are also described in this paper. The current status of and the plan for grid computing for high-energy physics in Japan are reported. A Tier-2 computing center supporting the ATLAS experiment has been running at the University of Tokyo. Recent results of the data transfer from the Tier-1 site are given in detail. Another Tier-2 center at Hiroshima University for the ALICE experiment and the Grid-related activities at High Energy Accelerator Research Organization (KEK) are also described in this paper.
Evaluation of Multilayered Pain Sens or Model of Human Skin
Nobutomo MATSUNAGA,Aydin Tarik ZENGIN,Shigeyasu KAWAJI 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In the coexistence circumstance with humans and robots, sensory and emotional feelings of human should be considered incase of interaction. A typical unpleasant feeling that stems from this interaction is pain. We have developed a new multi-layered pain sensor similar to the laminated structure of human skin, to clarify this feeling which is abstract for robots. The dynamical characteristics of this sensor in either cases of slow and fast stimuli were evaluated in experiments. For both cases, the pain sensor showed a similar reaction with real human measurements.