Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . A Port - A - Cath resides over the left chest wall with catheter tip extending to the level of the low SVC . There is interval increase in size of right pleural effusion and decrease in size of left pleural effusion . Associated bibasilar atelectasis is noted . Please note , pneumonia at the lung bases is impossible to exclude . No pneumothorax or signs of pulmonary edema . Bony structures are intact .
    OUTPUT:
    
Bilateral pleural effusions , increased on the right and decreased on the left with associated lower lobe atelectasis , can not exclude pneumonia .