Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains severely enlarged . Mediastinal contour is unchanged . There is mild pulmonary vascular engorgement . Elevation of the right hemidiaphragm persists , and again raises concern for a subpulmonic effusion . Bibasilar opacities likely reflect atelectasis . No pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Severe cardiomegaly with mild pulmonary vascular congestion . Continued elevation of the right hemidiaphragm again raises concern for a subpulmonic effusion . Bibasilar atelectasis .