HRCT Features of Small Peripheral Lung Carcinomas Detected in a Low-dose CT Screening Program

The CT features reflected tumor aggressiveness. Non-SCLC lesions of >−150HU and >10 mm (or >−100HU and >10 mm for the solid portion of the tumor) are associated with unfavorable prognosis. Timely interventions should be undertaken before problematic increase in number of cases.