A 2.6-cm broad-based nodular opacity along the lateral convexity of the right lower lobe, which is nonspecific. Differential considerations include posttraumatic/postsurgical changes, focal pleural thickening, loculated fluid collection, or a benign versus malignant pleural-based mass. Further evaluation with contrast-enhanced CT of the chest is suggested if clinically warranted.
Loculated pleural effusion (Uncertain) Nodule/Solitary lung nodule (Uncertain)