REVIEW

1. Hypoxia and its impact on the tumour microenvironment of gastroesophageal cancers
2. Liquid biopsy in cholangiocarcinoma:Current status and future perspectives

MINIREVIEWS

1. Biomarkers for hepatocellular carcinoma based on body fluids and feces
2. Molecular-targeted therapy toward precision medicine for gastrointestinal caner:Current progress and challenges
3. What is the best surgical procedure of transverse colon cancer? An evidence map and minireview
4. Update on the management of the gastrointestinal effects of radiation
5. Plexiform fibromyxoma:Review of rare mesenchymal gastric neoplasm and its differential diagnosis

ORIGINAL ARTICLE

1. Outcomes of curative liver resection for hepatocellular carcinoma in patients with cirrhosis
2. Same day yttrium-90 radioembolization with single photon emission computed tomography/computed tomography:An opportunity to improve care during the COVID-19 pandemic and beyond

SYSTEMATIC REVIEWS

1. Sex as an effect modifier in the association between alcohol intake and gastric cancer risk