Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . Heart and mediastinal contours are stable with moderate cardiomegaly . Fullness of the right hilum and mild mediastinal fullness appear unchanged and are likely secondary to low lung volumes . The right hemidiaphragm is persistently elevated .
    OUTPUT:
    
No acute change detected . Moderate cardiomegaly .