PMC9416530_01
These pictures illustrated the steps in the operation process: (A) Harvesting submental flap, (B) Exposure of the pedicle, (C) Putting the flap into the defect, (D) Suturing of the half-right of the tongue.
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T2, whose pathological resulted in squamous cell carcinoma, underwent the operation of extensive surgical removal of tumor tissue, neck lymph node dissection and submental flap reconstruction at Odonto-Stomatology Center, Hue Central Hospital from July 2021 to October 2021 (Figure 1). The characteristics of the cases and the early outcomes are shown in Table 1. 
Submental flap tongue reconstruction: (A) Initial, (B) One week postoperatively, (C)One month postoperatively.
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The neck drainage was withdrawn after 24 hours and the time for nasogastric tube removal was 7 days (Figure 2).