Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable chest radiograph is compared to radiograph dated ___ . Relative to prior examination , a right pleural effusion has increased as well as a likely small left pleural effusion . Heart size is enlarged though similar in appearance to prior examination . No overt pulmonary edema is present . A right large bore central venous catheter is identified , its tip which terminates within the expected location of the right atrium . Patient is status post median sternotomy , wires which appear intact . No acute osseous abnormality is detected .
    OUTPUT:
    
Large right pleural and likely small left pleural effusion with bibasilar atelectasis , increased since prior examination dated ___ . Cardiomegaly without overt pulmonary edema .