Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistence of the right medial opacity , concerning for pneumonia . Minimal opacity seen the left lung base are likely due to atelectasis . Tracheostomy tube is in stable position . The heart size is unchanged . There is no pneumothorax or pulmonary edema . There is a prominent line which has vessels continuing beyond it , compatible with skin fold .
    OUTPUT:
    
Persistence of the right medial opacity since ___ is concerning for pneumonia .