REVIEW

1. Endoscopic palliation of malignant biliary obstruction

ORIGINAL ARTICLE

1. Gastric intestinal metaplasia development in African American predominant United States population

SYSTEMATIC REVIEWS

1. Water-jet vs traditional triangular tip knife in peroral endoscopic myotomy for esophageal dysmotility:A systemic review and metaanalysis
2. Laparoscopic Janeway gastrostomy as preferred enteral access in specific patient populations:A systematic review and case series

CASE REPORT

1. Tracheoesophageal fistulas in coronavirus disease 2019 pandemic:A case report
2. Hemostasis of massive bleeding from esophageal tumor:A case report
3. Cronkhite-Canada syndrome:First case report from Egypt and North Africa
4. Gastrointestinal histoplasmosis complicating pediatric Crohn disease:A case report and review of literature