Publications by authors named "Nobu Koyama"

Objectives: In order to screen for gastric cancer effectively, its interval should be set according to the risk. This study aimed to determine whether risk stratification is possible using the data obtained from medical examination or endoscopic findings.

Methods: First, subjects who underwent both cancer screening and medical examination from 2009 to 2015 and underwent cancer screening once more by 2016 were studied.

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Objectives: Most common population screening systems for prostate cancer are administered by municipal governments in Japan. These systems suffer from difficulties in adequate follow up of patients at several urology departments in the region. We analyzed the clinical characteristics and outcomes of prostate cancer patients detected in our prostate-specific antigen (PSA)-based population screen, and examined the efficiency of the system.

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