Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs appear clear bilaterally without focal consolidation , effusion , or pneumothorax . The heart is mildly enlarged . The aorta is unfolded with faint atherosclerotic calcifications along the knob . No pleural effusion or pneumothorax is seen . The bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly , otherwise normal .