Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Due to a severe pectus excavatum deformity , opacity in the right cardiophrenic recess is more likely reflective of epicardial fat . No convincing evidence for pneumonia or CHF . No large effusion or pneumothorax . The heart appears mildly enlarged . Bony structures are intact . Mediastinal contour is normal .
    OUTPUT:
    
No acute findings . Opacity in the right cardiophrenic recess likely represents epicardial fat in the setting of a severe pectus excavatum deformity . Mild cardiomegaly .