Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy is in adequate position . Left - sided subclavian line ends in the mid SVC . Bilateral ground - glass and airspace consolidation are unchanged . The mediastinal contour is normal . Mild cardiomegaly is stable . There is no pneumothorax . There is very mild pleural effusion if any .
    OUTPUT:
    
1 . The lines and tubes are in adequate position . 2 . Stable important bilateral ground - glass and airspace opacities probably caused by a mix of pulmonary edema , infection and atelectasis .