Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal chest radiograph demonstrates a right internal jugular line passing into the upper atrium , as well as a tracheostomy tube terminating 5 .6 cm above the carina . Aortic endografts are seen . The cardiomediastinal contour is within normal limits . Pleural effusions are small , if present at all . Pulmonary edema , previously somewhat improving , now appears slightly worse than on prior exam .
    OUTPUT:
    
Slight worsening of pulmonary edema over the past 2 days , which was previously somewhat improving .