Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size cardiomediastinal contours are stable . There is persistent mild pulmonary vascular congestion without frank pulmonary edema . There is no focal consolidation , pleural effusion , or pneumothorax . Subsegmental atelectasis is noted at the right base .
    OUTPUT:
    
1 . Mild pulmonary vascular congestion without overt edema . 2 . Right basilar subsegmental atelectasis .