Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . Low lung volumes can be attributed to bibasilar atelectasis which exaggerates new mild pulmonary vascular congestion . Heart is slightly larger , but not to the point of cardiomegaly ; mediastinal contours are otherwise normal .
    OUTPUT:
    
Early cardiac decompensation .