Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitail markings are seen in the lungs with most confluent basilar opacities most significant at the right lung base . There is a small to moderate right - sided pleural effusion with adjacent atelectasis , and a probable small left pleural effusion . There is no evidence of pneumothorax . Mild cardiomegaly is unchanged . Redemonstrated is a left pectoral pacemaker with 2 intact leads seen terminating within the right atrium and right ventricle , respectively . A right upper extremity vascular stent is noted .
    OUTPUT:
    
Cardiomegaly and mild pulmonary edema . More confluent basilar opacities in part due to effusions and atelectasis although infection is also possible .