The Japanese Classification of Gastric Carcinoma was established by the Japanese Research
Society for Gastric Cancer in 1962. The latest 15th edition was published in 2017. One of …

The prediction of anatomical structures within the surgical field by artificial intelligence (AI) is
expected to support surgeons’ experience and cognitive skills. We aimed to develop a deep…

Background The naturally occurring amino acid 5-aminolevulinic acid (5-ALA) is a precursor
of protoporphyrin IX (PpIX) biosynthesised in the mitochondria. When accumulated PpIX is …

Proton pump inhibitors (PPIs) are administered commonly to aged people; however, their
effect on colorectal cancer (CRC) has still not been fully elucidated. Here, we examined the …

The use of molecular-targeted drugs in the treatment of gastric cancer is increasing.
However, the variety of molecular-targeted drugs in gastric cancer is still limited, and the …

Laparoscopic total gastrectomy (LTG) is a highly technical surgery that can lead to
postoperative complications. Whether the recently introduced robotic surgery overcomes the …

Background: Multimodality treatment including immune check point inhibitors is required for
stage IV oesophagogastric junction cancer (OGJC). Case Report: A 69-year-old man, was …

Gastric hyperplastic polyps (GHP) are frequently found to be benign polyps and have been
considered to have a low carcinogenic potential. The characteristics of the hyperplastic polyp-…

Anticancer agents are playing an increasing role in the treatment of gastric cancer (GC);
however, novel anticancer agents have not been fully developed. Therefore, it is important to …

Classification of extramural invasion of esophagogastric junction carcinoma (EGJC) is not
yet established. The anatomy surrounding the EGJ alters between the mediastinum and the …