Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy tube is appropriately positioned . There is a right - sided PICC , ending in the mid-to - low SVC . External tubing and EKG leads overlie the chest . Spinal fusion hardware is redemonstrated . Mild interstitial pulmonary edema has improved compared to most recent chest radiograph from ___ . There is substantial new left mid to lower lung atelectasis . No definite pleural effusions are seen . There is no pneumothorax . Note is made of a healed right - sided posterior rib fracture .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema , decreased compared to most recent study from ___ . 2 . New substantial left mid to lower lung atelectasis .