This comprehensive guide serves as both an educational resource and a practical manual for surgeons performing gastric resections as well as clinicians involved in the care of gastric cancer patients. Given that gastric resections are major surgeries, the complications that arise postoperatively can be diverse and range in severity. By focusing on both common and rare complications and offering detailed management strategies, the book aims to improve patient outcomes and reduce mortality and morbidity associated with gastric resection for cancer.Each chapter is organized around specific complications, offering actionable advice on prevention and treatment. The guidance provided is based on the latest scientific literature, ensuring that healthcare providers have access to evidence-based approaches for effectively managing adverse events.