Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Right hemidiaphragm is mildly elevated . No focal consolidation concerning for pneumonia . No effusion or pneumothorax . The heart is mildly enlarged . The aorta appears unfolded . No convincing evidence for edema . No free air below the right hemidiaphragm . Bony structures appear intact .
    OUTPUT:
    
Cardiomegaly without evidence of pneumonia or overt edema .