Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , there are new small bilateral pleural effusions and mild associated basilar atelectasis . There is no focal opacity to suggest pneumonia . There is no pulmonary edema or pneumothorax . The mediastinal contours are normal . Atherosclerotic calcifications are noted at the aortic arch . The heart size is at the upper limits of normal , and unchanged from the prior exam . Moderate degenerative changes are noted in the spine .
    OUTPUT:
    
New small bilateral pleural effusions . No definite evidence of pneumonia .