Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate a small left pleural effusion , not significantly changed from the prior radiograph performed five days prior . There is also a trace right - sided pleural effusion . There is mild pulmonary edema , new compared to prior . No pneumothorax . The cardiac size is mildly enlarged but unchanged . The mediastinal contours are normal . Atherosclerotic calcifications are noted in the aortic arch . Sternal wires are intact and clips from prior CABG are seen . A prosthetic mitral valve is noted . Marked degenerative changes are noted in the left glenohumeral joint .
    OUTPUT:
    
Mild congestive heart failure , new compared to the prior exam with mild pulmonary edema and small bilateral pleural effusions .