Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had a prior sternal resection with consequent deformity of the anterior chest wall . The trachea is central . The cardiomediastinal contour is within normal limits . Coronary artery bypass graft clips are seen . A spiculated opacity in the right upper lung is less conspicuous than on the prior chest radiograph from ___ a more ill - defined opacity in the left mid lung is similar in appearance . Both of these opacities were seen on the prior CT chest . No pneumothorax or pleural effusion seen . The visualized bony structures are demineralized but otherwise unremarkable in appearance .
    OUTPUT:
    
No acute cardiopulmonary process seen . Multifocal parenchymal opacities were present on prior imaging and consistent with the patient 's known multifocal adenocarcinoma .