Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are very low with vascular crowding . Atelectasis of the lung bases is mild , left greater than right . While there is likely pulmonary congestion there is no frank pulmonary edema . Mild cardiomegaly is unchanged . Appearance of the mediastinal and hilar silhouette is stable . There is no pleural effusion or pneumothorax . Compression deformities in the lower thoracic or upper lumbar spine are re - demonstrated .
    OUTPUT:
    
1 . Pulmonary vascular congestion without frank pulmonary edema . 2 . Low lung volumes with bibasilar atelectasis , left greater than right .