Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Cardiomegaly again noted . Mediastinal contour remains stably prominent . Lung volumes are low without convincing evidence for pneumonia or edema . No large effusion or pneumothorax is seen . Cardiomediastinal silhouette appears normal . No acute bony abnormalities .
    OUTPUT:
    
Cardiomegaly unchanged . No convincing evidence for pneumonia or edema . Please refer to subsequent CT of the chest for further details .