Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is again moderately enlarged . The main pulmonary artery contour is also prominent . Indistinct pulmonary vascularity and hilar engorgement suggest mild pulmonary venous hypertension . A moderate pleural effusion on the right appears unchanged with likely atelectatic changes in the right middle and dependent lower lobes . There has been no definite change .
    OUTPUT:
    
Persistent right - sided pleural effusion with probable atelectasis . Findings suggest pulmonary venous hypertension . Moderate to severe cardiomegaly .