Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal and lungs are clear . There is stable elevation of the left hemidiaphragm . No pleural effusion , pneumothorax or focal airspace consolidation worrisome for pneumonia . Heart is normal size . No pulmonary edema . Mediastinal and hilar contours are unremarkable . Sternotomy wires and mediastinal clips are constant . An electronic device projects over the left chest wall .
    OUTPUT:
    
No acute cardiopulmonary process .