Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Right chest wall pacing device is seen with leads in unchanged position . Lower lung volumes are seen on the current exam . Hazy right basilar opacity may be due to atelectasis given the lower lung volumes . There is no definite large consolidation , large effusion , or congestion . Cardiac silhouette is enlarged but stable in configuration . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Cardiomegaly but no definite acute cardiopulmonary process .