Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Comparison is made with the next preceding similar study of ___ . As before , the patient is status post sternotomy , aortic valve replacement and bypass surgery . Cardiomegaly as before . A right internal jugular approach central venous line remains in unchanged position and terminates in a location compatible with the upper portion of the right atrium . The diaphragmatic contours are bilaterally obscured and the lateral pleural sinuses are blunted . This is indicative of increasing pleural effusion in comparison with the previous portable postoperative chest examination . Pulmonary vasculature remains congested with considerable perivascular haze . No pneumothorax is seen . The comparison is extended to multiple previous postoperative examinations , signs of pleural effusion and pulmonary congestion existed already earlier . On the preoperative chest examination of ___ , significant cardiomegaly existed already at that time . The pleural spaces are practically free .
    OUTPUT:
    
Continuing postoperative CHF with bilateral pleural effusion apparently increasing slightly during latest examination interval . Dr . ___ ___ was informed via page .