Prospective interventional study assessing the effectiveness on ameliorating surgical stress and the enhancement of recovery after surgery by Miyagi Cancer Center Head and Neck ERAS Protocol (MCC-HN ERAS) - ERAS protocol for head and neck cancer at Miyagi Cancer Center (MCC-HN-ERAS)

The duration of hospital stay: Median 25 days. The duration until completion of the discharge criteria: Median 17 days. Early mobilization: 86.0% (POD1), 96.5% (POD2). Enteral nutrition: 80.1% (POD1), 100% (POD2). Postoperative pain: Mean VAS scores of 1.51 to 3.13. Clavien Dindo grade II or higher postoperative complications: 27.6% of the patients. The mean QOR40 score: 179.6 preoperatively, 146.1 at POD3, and 167.8 at POD7.