Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left greater than right lower lobe atelectasis . New vascular congestion . The heart size is top normal . Known thyroid goiter with slight tracheal deviation to the left at the level of thoracic inlet . No pleural effusions or pneumothorax . Mild acromioclavicular arthropathy and degenerative changes in the thoracolumbar spine .
    OUTPUT:
    
Mild vascular congestion and lower lobe atelectasis .