Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postsurgical changes in the right lung appear similar . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Heart and mediastinal contours are within normal limits . There has been interval removal of the left central venous catheter .
    OUTPUT:
    
No radiographic evidence for pneumonia .