Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval worsening of moderate cardiomegaly . New hilar fullness bilaterally with engorgement of the pulmonary vasculature , consistent with mild pulmonary edema . Widening of the superior mediastinum may be due to low lung volumes and supine AP technique . Retrocardiac opacity may reflect atelectasis . No large pleural effusion is seen . There is no pneumothorax . Marked degenerative changes of both glenohumeral joints are noted .
    OUTPUT:
    
Increased moderate cardiomegaly with mild pulmonary edema . Probable retrocardiac atelectasis .