Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded , with mild unchanged interstitial abnormality . Bilateral pleural effusions are moderate in size , and increased from ___ . There is a waving and waning patchy opacity in the right mid lung , probably in the anterior segment of the right upper lobe , suspected to represent atelectasis . The cardiac silhouette remains mildly enlarged . The mediastinal contours are notable for calcification of the aortic knob and tortuosity of the aorta . There is marked degenerative change of the bilateral glenohumeral joints .
    OUTPUT:
    
Interstitial abnormality and increase in bilateral pleural effusions may reflect worsening cardiac decompensation . Patchy right upper lobe opacity , suspected to reflect atelectasis .