Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been an interval increase in the right pulmonary vascular congestion and pulmonary edema . There has been a slight increase in opacity over the right lower lobe compared to the prior exam . The left lung is clear . There is a background of chronic interstitial abnormality . There are no significant pleural effusions . There is no pneumothorax . There is moderate enlargement of the cardiac silhouette , unchanged compared to multiple prior exams dating back to ___ . The hilar and mediastinal contours are otherwise unremarkable . Median sternotomy wires are stable , and patient is s / p AVR . Widening of the left acromioclavicular joint is chronic . There is a right - sided Port - A - Cath with the tip terminating in the mid SVC .
    OUTPUT:
    
1 . Interval increase in the right lower lobe opacification compared to the prior exam . This could be secondary to progression of pneumonitis , or if the patient is clinically presenting with cough / fever , could be secondary to an infectious etiology . 2 . Slight interval increase in right - sided pulmonary edema and pulmonary vascular congestion compared to the prior study .