Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube is in unchanged position . Left - sided PICC is in unchanged position and terminates in the upper SVC . There is stable moderate cardiomegaly . The mediastinal and hilar contours are unchanged . There is stable mild pulmonary edema . The lung volumes are low bilaterally . There is an unchanged , moderate left pleural effusion . Apparent interval increase in right basilar opacity may reflect an enlarging right pleural effusion with adjacent atelectasis or a more supine position of the patient .
    OUTPUT:
    
Apparent interval increase in right basilar opacity may reflect an enlarging right pleural effusion with adjacent atelectasis or a more supine position of the patient .