Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly . Mediastinal contours stable . Calcification is noted at the aortic arch . Bibasilar opacities are noted , most likely representing atelectasis . No focal consolidation is seen . Lung volumes are low with crowding of the bronchovascular markings and probable mild pulmonary vascular congestion . There is no pneumothorax or large pleural effusion . Unchanged dextroscoliosis of the thoracic spine .
    OUTPUT:
    
1 . Mild pulmonary vascular congestion . 2 . No evidence of pneumonia .