Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly has been stable compared to the prior exam from ___ . Mild pulmonary venous congestion is seen without overt pulmonary edema . The hilar and mediastinal contours are otherwise unremarkable . Mild bibasilar atelectasis is persistent . There may be a small left pleural effusion . There is no evidence of a pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Mild pulmonary vascular congestion . Persistent mild bibasilar atelectasis .