ESTRO 2022 - Abstract Book

S1093

Abstract book

ESTRO 2022

Conclusion Sub-classification of BCLC stage C as per ALBI-T scoring system is required to minimize heterogeneity within the same tumor stage, that will help to predict survival and to select optimal treatment strategies.

PO-1296 Hemostatic Radiotherapy for Gastric Cancer: Relationship Between MR Images and Tumor Markers

O. Tanaka 1 , N. Yagi 2 , M. Tawada 3 , T. Taniguchi 1 , K. Adachi 1 , S. Nakaya 1 , C. Makita 4 , M. Matsuo 5

1 Asahi University Hospital, Department of Radiation Oncology, Hashimoto-Cho, Gifu city, Japan; 2 Asahi University Hospital, Department of Gastroenterology, Hashimoto-Cho, Gifu city, Japan; 3 Asahi University Hospital, Department of Surgery, Hashimoto-Cho, Gifu city, Japan; 4 Gifu University Hospital, Department of Radiation Oncology, 1-1 Yanagido, Gifu, Japan; 5 Gifu University Hospital, Department of Radiation Oncology, 1-1 Yanagido, Gifu city, Japan Purpose or Objective Radiotherapy (RT) has a hemostatic effect on gastric cancer. A response rate of 80% was obtained when patients were treated with RT at a dose of 20 Gy in 5 daily fractions (20 Gy/5 fx). Endoscopy is the first choice for the pretreatment diagnosis and the post-treatment evaluation of gastric cancer. However, in recent years, an increasing number of studies