Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , there has been no significant change . There is a known 2 .5 cm nodule in the right lower lung , previously characterized on the CT from ___ . The lungs are otherwise clear without focal consolidation , pleural effusion , or pneumothorax . There is a small opacity adjacent to the left heart border , which was present on the ___ study . No change in the alignment of the sternal wires , right Port - A - Cath tip terminating in the right atrium , and multiple CABG clips .
    OUTPUT:
    
No significant change since the prior radiograph and ___ . No focal consolidation concerning for pneumonia .