Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is 4 .5 cm above the carina . Lung volumes are low . There is subsegmental atelectasis in the right upper lobe . There is no pleural effusion or pneumothorax . There is mild pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Status post intubation with endotracheal tube 4 .5 cm above the carina . 2 . Mild pulmonary vascular congestion .