Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 06 : 28 is submitted .
    OUTPUT:
    
Hardware is again seen overlying the cervical and upper thoracic spine . A left subclavian PICC line continues to have its tip terminate in the azygos vein . Repositioning has already been recommended on multiple prior studies . A tracheostomy tube remains in satisfactory position . There is somewhat improved aeration at the left base with increasing streaky opacities at the right base suggestive of worsening atelectasis . Incidental note is made of an azygos lobe . Increased prominence of the perihilar vasculature suggests a component of superimposed edema at this time . No pneumothorax .