Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal opacities are noted in the right lung . Chain sutures in the right upper lung region are from prior resection . There is a 1 .5 x 1 .3 cm nodule in the left mid lung is unchanged compared with prior exam . Otherwise , there are no new focal opacities . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . The sternotomy wires are intact and multiple surgical clips are noted in the lower thorax . External monitoring devices are noted .
    OUTPUT:
    
Stable appearance of left lung nodule better characterized on CT chest dated ___ .