Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly has been stable compared to exams dating back to at least ___ . The aorta is tortuous , particularly the descending aorta , otherwise the hilar and mediastinal contours are unremarkable . The lungs are clear without evidence of focal consolidations concerning for pneumonia . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly . No focal consolidations concerning for pneumonia identified .