EDITORIAL

1. Reproducibility and replicability of systematic reviews
2. Gastrointestinal stress ulcer prophylaxis in the intensive care unit,where is the data?
3. Hepatic regeneration in Greek mythology

REVIEW

1. Prospects for immunotherapy as a novel therapeutic strategy against hepatocellular carcinoma

MINIREVIEWS

1. Early immune response in post endoscopic retrograde cholangiopancreatography pancreatitis as a model for acute pancreatitis
2. PD-1/PD-L1 antagonists in gastric cancer:Current studies and perspectives

META-ANALYSIS

1. Higher dose of simethicone decreases colonic bubbles and increases prep tolerance and quality of bowel prep:Meta-analysis of randomized controlled trials