Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Cardiomegaly is again noted . Lung volumes are low limiting assessment . No large effusion or pneumothorax . No convincing signs of edema . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Cardiomegaly without convincing signs of edema or pneumonia . No large effusion .