Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . When compared to prior , there is new right basilar opacity silhouetting the hemidiaphragm likely due to at least some component of pleural effusion . Pulmonary vascular congestion appears grossly similar compared to prior . Cardiomediastinal silhouette is not definitely enlarged since prior noting slight limitation from rotation to the right . Lower thoracic and upper lumbar dextroscoliosis are noted . Old healed posterior left rib fracture again noted .
    OUTPUT:
    
Pulmonary vascular congestion . Right basilar opacity suggestive of effusion with possible associated atelectasis or infection .