Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , resulting in vascular crowding . There is no pleural effusion , pneumothorax or focal consolidation . Heart size is top normal . Sternotomy wires and CABG clips are noted . There has been resolution of the left base consolidation / effusion .
    OUTPUT:
    
No acute intrathoracic process .