Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . AICD is unchanged with leads extending to the region the right atrium and right ventricle . The heart is moderately enlarged which appears unchanged . No convincing signs of pneumonia or overt edema . No large effusion or pneumothorax . The mediastinal contour stable . Bony structures are intact . Pectus excavatum deformity again noted .
    OUTPUT:
    
Cardiomegaly . No signs of superimposed pneumonia .