Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent elevation of left hemidiaphragm . Slight blunting of the left costophrenic angle may be due to pleural thickening versus a very trace pleural effusion . No large pleural effusion is seen . There is no evidence of pneumothorax . No definite focal consolidation is seen . The cardiac and mediastinal silhouettes are unremarkable . Chronic deformity of posterior left sixth rib is re - demonstrated .
    OUTPUT:
    
Elevation of the left hemidiaphragm . Slight blunting of the left costophrenic angle could be due to pleural thickening or trace pleural effusion . No definite focal consolidation .