Systemic tunnel dissection of mediastinal lymph nodes without clamping via uniportal video-assisted thoracoscopic surgery

The standard treatment for patients with early-stage non-small-cell lung cancer (NSCLC) is lobectomy or pneumonectomy with systematic nodal dissection (SND). Efficient systemic mediastinal lymph nodes dissection is crucial to the success of surgery and prognosis of patients (1,2) (Figure 1)