Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right - sided pleural effusion . There is a suggestion of a pulmonary nodule seen on the lateral chest radiograph , but it is not seen on the frontal projection . The descending aorta is focally dilated with heavy calcification , and the cardiac silhouette is moderately enlarged . There is no pneumothorax .
    OUTPUT:
    
1 . Focal dilation of the descending aorta . CT scan can be obtained to better evaluate this finding . 2 . Possible pulmonary nodule . Again , CT scan can be better evaluate this finding .