Tokai University

P1.130. Influence of Recurrence Timing and Site on Outcomes of Oligo-Recurrence After Curative Esophagectomy

Abstract Topic Esophageal Cancer: Oncology/Radiation Therapy Background Esophageal cancer remains associated with high mortality and frequent recurrence despite advances in perioperative treatment. The concept of oligometastasis has gained attention, as selected patients may achi...

An absorbing Markov chain for customer segment transition

Abstract Firms use RFM analysis to identify valuable customers, particularly loyal customers. In practice and in prior studies, RFM-based scores are often treated as static indicators. However, when observed periodically, these scores can be analyzed dynamically, allowing firms t...

Association between awareness of government notification and ‘negative hepatitis virus test result card’ and implementation of hepatitis B and C screening in Japanese workplaces: a cross-sectional study

Abstract Background ‘Request for cooperation on measures against viral hepatitis in the workplace’ (the notification) was issued to provide hepatitis screening opportunities in workplaces. However, employees may take hepatitis tests multiple times because the results are not reco...