1. PCCT significantly improves detection of malignant features in lung cancer. 2. Radiation exposure reduced by 66% with PCCT. 3. Iodine load decreased by 27%. 4. Higher diagnostic confidence scores observed with PCCT. 5. Adverse reactions lower in PCCT group (2% vs 9%). 6. Study limited to a single-center design in China. 7. Best imaging results seen in patients with tumors ≤3 cm. 8. Findings may vary by body mass index and tumor size.