Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires are intact and appear in appropriate alignment . Heart size normal . Mediastinal and hilar contours are normal . There is no focal consolidation , effusion , or pneumothorax . Specifically , there is no evidence of metastatic disease to the chest .
    OUTPUT:
    
No evidence of intrathoracic malignancy .