Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right pleural effusion with overlying atelectasis , which appears new since the prior study . No left pleural effusion is seen . There is no pneumothorax . The cardiac silhouette remains mild to moderately enlarged . Mediastinal contours are stable . Prominence of the pulmonary arteries is stable . .
    OUTPUT:
    
Small right pleural effusion , new / increased since the prior study . Persistent prominence of the pulmonary arteries without overt pulmonary edema .