Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is again noted with leads terminating in the right atrium , right ventricle , and coronary sinus . Mild cardiomegaly is unchanged . The mediastinal contours are stable . Perihilar haziness and vascular indistinctness is new and compatible with mild pulmonary edema with ___ B lines noted . Probable trace right pleural effusion is noted . There is no pneumothorax . Degenerative spurring of the right glenohumeral joint is re - demonstrated . Widening of the left acromioclavicular joint suggest prior trauma .
    OUTPUT:
    
Mild congestive heart failure and probable small right pleural effusion .