Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had prior median sternotomy . A enteric tube coils within the stomach . A right - sided PICC line ends in the mid SVC . Mild pulmonary edema with small bilateral pleural effusions is unchanged . Retrocardiac opacification is stable , and likely due to a combination of atelectasis and pleural effusion . Unchanged nodular opacities in the left upper to mid lung may be due to infection , however a chest CT is recommended for more definitive assessment . There is no pneumothorax .
    OUTPUT:
    
Nodular opacities in the left upper to mid lung may be due to infection , however a chest CT is recommended for more definitive assessment . Unchanged small left pleural effusion with retrocardiac opacification , which may be due to atelectasis or infection .