Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . The lungs appear clear without focal consolidation , large effusion or pneumothorax . The heart appears enlarged with a left ventricular configuration . No signs of congestion or edema . The aortic knob is calcified and appears ectatic . The bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Cardiomegaly . Otherwise unremarkable .