Lung Cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Participants scheduled for surgery for radiological finding of pulmonary lesions from the preoperative thin-section CT scans; (2) Lung lesions less than 4 cm on CT images; (3) The maximum short-axis diameter of lymph nodes less than 1 cm on contrast-enhanced CT scan; (4) Pathological confirmation of primary NSCLC; (5) Conduction of PET scans and the maximum standardized uptake value of lymph node less than 2.5; (6) Age ranging from 20-75 years; (7) Obtained written informed consent.
Exclusion criteria
Exclusion criteria: (1) Multiple lung lesions; (2) Poor quality of CT images; (3) Participants with incomplete clinical information; (4) Participants not receiving systematic mediastinal lymph node dissection; (5) Participants receiving neoadjuvant therapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| area under the curve of the receiver operating characteristic; | — |
Secondary
| Measure | Time frame |
|---|---|
| sensitivity;specificity;positive predictive value;negative predictive value;accuracy; | — |
Countries
China
Contacts
Shanghai Pulmonary Hospital