Etsuo Miyaoka

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BACKGROUND The Japan Lung Cancer Society, the Japanese Association for Chest Surgery, and the Japanese Respiratory Society jointly established the Japanese Joint Committee for Lung Cancer Registration, which has regularly conducted lung cancer registries for surgical cases in 5-year periods. We analyzed data obtained in these registries to reveal the most(More)
PURPOSE The validation of tumor, node, metastasis staging system in terms of prognosis is an indispensable part of establishing a better staging system in lung cancer. METHODS In 2005, 387 Japanese institutions submitted information regarding the prognosis and clinicopathologic profiles of patients who underwent pulmonary resections for primary lung(More)
For the scheduled future revision of the TNM staging system for lung cancer, it is important that the present 1997 version be evaluated in a large population. In 2001, the Japanese Joint Committee of Lung Cancer Registry sent a questionnaire to 320 Japanese institutions regarding the prognosis and clinicopathological profiles of patients who underwent the(More)
Intracranial germ cell tumors (GCTs) are relatively rare. Their incidence has been considered to be higher in East Asia than in the United States. This study estimates the incidence of CNS GCTs in Japan and the United States, investigates gender discrepancies in each country, and describes treatment outcomes. Data on primary CNS GCTs from 4 databases were(More)
OBJECTIVE This study explored the relationship between the histologic subtype of thymoma according to the new World Health Organization histologic classification and the clinical findings, as well as the prognostic significance of the classification. METHODS A total of 130 patients with thymoma, who underwent resection at the National Cancer Center(More)
The epidemiologic evidence that dietary fiber protects against colorectal cancer is equivocal. No large-scale clinical study of the administration of Lactobacillus casei has been reported. We examined whether dietary fiber and L. casei prevented the occurrence of colorectal tumors. Subjects were 398 men and women presently free from tumor who had had at(More)
INTRODUCTION This retrospective study was designed to identify the predictors of long-term survival and the risk factors for complications after surgery in patients aged 80 years or older with clinical (c)-stage I non-small cell lung cancer. METHODS The Japanese Joint Committee of Lung Cancer Registry collated the clinicopathological profiles and outcomes(More)
PURPOSE To investigate prognoses of lung cancer patients prospectively enrolled in the Japan Lung Cancer Registry Study. METHODS Patients newly diagnosed as having lung cancer exclusively in 2002 were enrolled. Follow-up surveys were performed twice, in 2004 and 2009, and the final follow-up data with prognoses were analyzed for 14,695 patients (79%).(More)
OBJECTIVE The clinicopathological characteristics and surgical results of young lung cancer patients were investigated. MATERIALS AND METHODS Seven hundred and four (6.0%) patients with lung cancer, aged up to 50 years, were enrolled from among the 11,663 patients registered in the Japanese Lung Cancer Registry Study 2004, and their clinical data were(More)
OBJECTIVE The aim of the present study was to identify the modern surgical results of pathologic T3 lung cancer and to examine the heterogeneity of this group from the nationwide database. METHODS The registered data of 11,663 cases from the Japanese Joint Committee of Lung Cancer Registry conducted in 2010 were analyzed, which included patients with(More)