Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the frontal view , ___ with 8 mm wide rounded opacity projects over the cardiac silhouette and the medial left ninth posterior interspace . This might correspond to a 3 .5 cm elliptical opacity which on the lateral view projects over the aortic root placing the lesion in the lingula , 4 , instead it may correspond to a 2 cm wide opacity projecting over the lower thoracic spine . A dedicated chest CT is warranted for further evaluation . The lungs are otherwise clear . There is no pneumothorax or pleural effusion . The heart and mediastinum are within normal limits . The
    OUTPUT:
    
A chest CT is recommended to evaluate one or 2 lung lesions , either of which could be infectious or neoplastic .