Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest There is mild to moderate cardiomegaly , unchanged . There is no pleural effusion . There is no consolidation . There is no pneumothorax . Mild upper zone vascular redistribution is largely stable , without other evidence of CHF . In the lateral view , a long straight density is presumed to be external to the patient .
    OUTPUT:
    
Mild to moderate cardiomegaly and mild UZRD , unchanged compared with ___ . No acute pumonry process identified .