Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Indistinct pulmonary vascular markings are seen throughout the lungs . There is no focal consolidation . Blunting of the posterior costophrenic angles raising possibility of small effusions . The cardiac silhouette is enlarged . No acute osseous abnormalities identified .
    OUTPUT:
    
Mild pulmonary vascular congestion and cardiomegaly .