Children's Hospital of Shanghai 1 article published in JoVE Medicine Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation Ke-Qing Zhao1, Shi-Lei Pu1,2, Hong-Meng Yu1 1Department of Otorhinolaryngology-Head and Neck Surgery, Eye and Ear, Nose, and Throat (ENT) Hospital, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Fudan University, 2 Endoscopic septoplasty is a time-honored surgical procedure with multiple variations. This paper focuses on a step-by-step surgical approach to perform a modified septoplasty procedure known as limited two-line resection. This surgical technique can be applied to correct a deviated nasal septum in the absence of an external nasal deformity.