Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine AP chest radiograph demonstrates stable mild cardiomegaly and hilar contours when compared to prior radiograph . Tortuous descending abdominal aorta with aortic calcifications noted . No large pneumothorax is detected . There is no large pleural effusion . No evidence to suggest pulmonary edema . No obvious chest cage trauma is identified .
    OUTPUT:
    
No acute abnormality detected . Mild cardiomegaly , stable . Conventional radiograph insensitive in the evaluation of acute chest cage trauma . Please refer to CT torso obtained same date for complete findings .