Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is subtle opacity projecting over the cardiac silhouette on the lateral view which localizes likely to the right on the frontal when and was seen on recent CT . Linear left basilar opacity seen laterally suggestive of atelectasis or scarring . Superiorly , the lungs are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified .
    OUTPUT:
    
Opacity projecting over the cardiac silhouette on the lateral view likely within the right middle lobe may represent infection or atelectasis .