Visceral pleural invasion by pulmonary adenocarcinoma ≤3 cm: the pathological correlation with pleural signs on computed tomography

Abstract

Pleural signs can be categorized into five types of group A and four types of group B in the study. Type III-IV of group A and type I and III of group B may be indicators to VPI. Non-intact extrapleural fat layer and mediastinal pleural abnormality may increase the diagnosis accuracy of VPI.