Endoscopy, Table of Contents Endoscopy 2023; 55(11): v35DOI: 10.1055/a-2119-0453 Author commentary Author commentary on Laurelle van Tilburg et al. Recommend Article Abstract Refers to: Endoscopic screening of the upper gastrointestinal tract for second primary tumors in patients with head and neck cancer in a Western countryEndoscopy 2023; 55(11): 981-990DOI: 10.1055/a-2111-5935 Full Text