Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is a stable appearance of the right upper lobe band like opacity compatible with scarring . The heart is mildly enlarged . Hilar prominence is stable and likely represents prominent hilar vascular structures as better assessed on prior CT . Retrocardiac streaky opacity is present on the lateral projection which raises potential concern for atelectasis versus pneumonia though no correlate opacity is present on the frontal view . No large effusion or pneumothorax is present . Imaged bony structures appear intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Mild cardiomegaly , stable prominence of the pulmonary hila , stable streaky right upper lobe opacity . Retrocardiac opacity seen on lateral view could represent atelectasis versus pneumonia .