Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Evaluation is somewhat limited due to AP technique . The heart remains mildly enlarged . The lungs appear clear though the left lung base is somewhat limited in overall assessment . No large effusion or pneumothorax . Mediastinal contour is stable . Bony structures are intact .
    OUTPUT:
    
Stable cardiomegaly . Otherwise unremarkable .