Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single semi-upright AP view of the chest demonstrates interval placement of a large - bore dialysis catheter through an inferior approach , which terminates in the right atrium . Convex bulging of the right mediastinal contour is slightly more conspicuous than on the prior study . The lungs are well inflated and clear bilaterally with no evidence of pneumothorax , pleural effusion , pulmonary edema , or focal consolidation concerning for pneumonia . Right axillary surgical clips are again noted .
    OUTPUT:
    
Thickening and convex bulging of the right mediastinal contour is more prominent than on the prior study . Please correlate with dedicated PA and lateral CXR . No evidence of pneumonia . Inferior approach hemodialysis catheter terminates in the right atrium .