Pulmonary Nodules
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Peripheral pulmonary nodules confirmed by chest high-resolution CT (located in the outer 1/3 of the lung field), with a diameter of 8–20 mm; 2. Preoperative clinical suspicion of early-stage lung cancer (ground-glass component proportion >=50% or nodule doubling time >=400 days); 3. Attempted localization using watershed analysis and video-assisted thoracoscopic wedge resection; 4. Complete clinical, imaging, and follow-up data.
Exclusion criteria
Exclusion criteria: 1. Severe underlying diseases (e.g., heart failure) that preclude tolerance of surgery; 2. Intraoperative change of surgical approach (conversion to thoracotomy or performance of lobectomy/segmentectomy, etc.); 3. Incomplete clinical data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| nodule position;tissue adhesion;Whether there is vascular variation;Whether the pulmonary fissure is fully developed;Whether there is a history of COPD;area under the curve; AUC; | — |
Countries
China
Contacts
The Affiliated People’s Hospital of Ningbo University