Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior study , there has been no interval change in position of right chest wall Port - A - Cath , terminating in the upper right atrium , as well as a left chest wall pulse generator , with dual lead pacing wires terminating in the right atrium and right ventricle . Median sternotomy wires are intact . A right pleural effusion has slightly increased compared to the prior study , along with fluid tracking along the horizontal fissure on the right , and subsegmental atelectasis in the right lung base . Left basilar atelectasis is also increased , as has a small left pleural effusion . There is no pneumothorax . Biapical pleural thickening is stable . The overall heart size is unchanged .
    OUTPUT:
    
Interval increase in size of moderate right and small left pleural effusions , with bibasilar atelectasis .