Sarcopenia defined by Asian Working Group for Sarcopenia 2025 criteria is associated with postoperative infectious complications after esophagectomy for esophageal cancer.

Sarcopenia was identified in 11 patients (7.0%), and postoperative infectious complications occurred in 40 patients (25.4%).

In age-classified analyses, postoperative infectious complications occurred more frequently in patients with sarcopenia than in those without sarcopenia in both age groups (≥65 years: 66.7% vs 24.8%; <65 years: 40.0% vs 18.9%).