Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral transvenous pacer is unchanged in position . The heart is mildly enlarged with persistent pulmonary vascular congestion . There is a persistent small right pleural effusion with increased small left pleural effusion . Bibasilar atelectasis is also present . There is no pneumothorax .
    OUTPUT:
    
1 . Persistent right pleural effusion and increased left pleural effusion as well as bibasilar atelectasis . A superimposed pneumonia can not be excluded in the absence of a lateral view . 2 . Mild cardiomegaly with persistent pulmonary vascular congestion .