Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is unchanged from the prior study . The mediastinal contours are similar . Mild pulmonary edema is not substantially changed from the prior study . Hilar contours are similar . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Splenic shadow appears absent compatible with history of sickle cell disease . Vertebral bodies have a somewhat H - shaped configuration also compatible with a history of sickle cell disease .
    OUTPUT:
    
Severe cardiomegaly with mild pulmonary edema , similar to that seen previously .