Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 11 :41 are submitted .
    OUTPUT:
    
The heart remains enlarged which may reflect cardiomegaly but pericardial effusion should also be considered . Lungs are well inflated without evidence of focal airspace consolidation , pleural effusions or pneumothorax . There is an appropriate amount of aeration projecting in the retrosternal region on the lateral view . If a retrosternal mass remains of clinical concern , further imaging evaluation with CT may be helpful .