Inclusion Criteria:  Patients with a primary resectable gastric adenocarcinoma, clinical stage T2-4a N0-3 M0 or cT1N+ ASA 1-3 (able to undergo surgery) Scheduled for radical open or minimally invasive (sub)total gastrectomy with modified D2-lymphadenectomy Perioperative chemotherapy or primary surgery Age above 18 Able to complete questionnaires in Dutch, English or Italian and to come to outpatient clinic visits Written informed consent Esophageal invasion < 2 cm  Exclusion Criteria:  Locally advanced gastric cancer requiring multi-visceral excision Indication for HIPEC (e.g. in PERISCOPE trial) Participation in trial with conflicting endpoint Pregnancy Previous malignancy (excluding non-melanoma skin cancer, pancreatic neuroendocrine tumor (pNET) <2cm, and gastrointestinal stromal tumor (GIST) <2cm), unless no evidence of disease and diagnosed more than three years before diagnosis of gastric cancer, or with a life expectancy of more than five years from date of inclusion) Serious concomitant systemic disorders that would compromise the safety of the patient or his/her ability to complete the study, at the discretion of the investigator Previous gastric or omental surgery Indication for thoracotomy/thoracoscopy