Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with crowding of the bronchovascular markings with mild superimposed pulmonary vascular congestion . There is no confluent consolidation or effusion . The cardiomediastinal silhouette is stable . Median sternotomy wires and mediastinal clips are again noted . No acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary vascular congestion . No focal consolidation .