Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral . There are small bilateral pleural effusions and bibasilar atelectasis , a component of which is chronic based on prior imaging . The lungs are otherwise clear . Minimal cardiomegaly is chronic . The mediastinal contours are unremarkable . There is no pneumothorax . Pulmonary vascularity is normal . There are atherosclerotic calcifications of the aortic arch . The left chest wall Port - A - Cath terminates in the upper right atrium .
    OUTPUT:
    
Small bilateral pleural effusions , bilateral lower lobe atelectasis , and mild cardiomegaly .