Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly has been stable compared to exams dated back to at least ___ . The aorta is tortuous . Otherwise , the hilar and mediastinal contours are normal . The lungs do not demonstrate any focal consolidations concerning for pneumonia . There may be small bilateral pleural effusions . There is no evidence of a pneumothorax . Multilevel mild degenerative changes within the thoracic spine are again seen .
    OUTPUT:
    
Stable mild cardiomegaly . No focal consolidations concerning for pneumonia identified .