Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright frontal view of the chest . The endotracheal tube has been removed . The right lung is clear . Left lower lobe atelectasis persists . Left lower pleural mass and lower lobe consolidation appear unchanged . Clips project over the left hemithorax . Left lower rib irregularity is due to known metastatic disease . Normal size heart . No pleural effusion or pneumothorax .
    OUTPUT:
    
Unchanged left lower lobe atelectasis and left pleural mass / consolidation better characterized on the prior chest CT .