Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single AP radiograph of the chest was obtained . There has been interval resolution of previously seen bibasilar heterogeneous opacities on radiographs from ___ . The lungs are clear . Moderate cardiomegaly is unchanged . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . An old posterior right fifth rib fracture is noted , as before . The bony thorax is otherwise grossly intact .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . Unchanged moderate cardiomegaly .