In 2018, the Japanese spacecraft Hayabusa2, arrived at the small asteroid Ryugu. The
surface of this C-type asteroid is covered with numerous boulders whose size and shape …

Background Gastric cancer risk can be accurately predicted by measuring the methylation
level of a single marker gene in gastric mucosa. However, the mechanism is still uncertain. …

Aims Tyrosine kinase (TK) alterations, such as anaplastic lymphoma kinase (ALK) fusion,
neurotrophic tyrosine receptor kinase (NTRK) fusion, c‐ros oncogene 1 (ROS1) fusion and …

Background/Aims: Systemic inflammatory responses have been reported to be independent
predictors of cancer-specific survival in colorectal cancer. The Glasgow Prognostic Score (…

Objective. A new sclerosing agent for hemorrhoids, aluminum potassium sulfate and tannic
acid (ALTA), is attracting attention as a curative treatment for internal hemorrhoids without …

Background and Aim Colorectal endoscopic submucosal dissection ( ESD ) is a useful
treatment method; however, no index has been established for time for patient to start food …

Liquid biopsy is expected to be a promising cancer screening method because of its low
invasiveness and the possibility of detecting multiple types in a single test. In the last decade, …

Objectives To determine the seroprevalence of anti-SARS-CoV-2 IgG and IgM antibodies in
symptomatic Japanese COVID-19 patients. Methods Serum samples (n = 114) from 34 …

Background/Aim: Circumferential resection margin (CRM) is the most reliable predictor of
local and distant recurrence in locally-advanced rectal cancer (LARC). The present study was …

Background We retrospectively examined the optimal lymph node ratio (LNR) cutoff value
and attempted to construct a new classification using the LNR in stage III colon cancer. …