Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is a small right pleural effusion and overlying atelectasis . There may also be some fluid tracking in the right fissure . The cardiac silhouette is mildly enlarged . There is no overt pulmonary edema . No evidence of pneumothorax is seen . The mediastinal contours are stable , and there is calcification of the aortic knob .
    OUTPUT:
    
Small right pleural effusion and enlargement of the cardiac silhouette .