Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Right upper lung surgical chain sutures are again identified . Linear left mid lung opacity is seen , as well as a nodule in the left upper lung , which was not clearly present on PET - CT from ___ . Left lung base nodular opacity is most likely a nipple shadow . Elsewhere , the lungs are clear . Cardiomediastinal silhouette is stable . Multiple thoracic compression deformities are identified as seen on prior chest CT from ___ .
    OUTPUT:
    
No definite acute cardiopulmonary process . Post - surgical changes on the right . Nodular opacity in the left upper lung , not clearly identified on prior exam , which should be followed on subsequent studies . No definite acute cardiopulmonary process .