Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are again noted . There is no focal consolidation , effusion , or pneumothorax . There is a stable appearing 2 .2 cm nodule in the left lower lung which has been previouslycharacterized on PET - CT and CT chest from ___ and ___ . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process . Stable left lower lung nodule compared with multiple prior exams .