Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild - to - moderate right and minimal left pleural effusion with associated bilateral lower lung atelectasis is present . No pulmonary edema . Bilateral pulmonary vasculature is mildly prominent suggesting mild pulmonary vascular congestion . Heart size , Mediastinal and hilar contours are normal .
    OUTPUT:
    
1 . Mild - to - moderate right and minimal left pleural effusion with bibasal atelectasis . 2 . No pulmonary edema .