Independent Predictors Analysis and Model Construction of Cavitary Central Lung Cancer

Inclusion Criteria

• •1. Age：older than 18 years；
• •2. Clinical or pathologically confirmed central lung cancer;
• •3. Lesions without cavities at first diagnosis of central lung cancer;
• •4. Performed complete laboratory and imaging research at the first diagnosis of the central lung cancer;
• •5. Patients with cavities formation during follow up, and the cavities were independently confirmed by at least 3 imaging experts;
• •6. Patients with complete medical records;