Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated somewhat to the right . There is chronic blunting of the right costophrenic angle , most likely due to chronic scarring / pleural thickening although a trace pleural effusion is difficult to exclude . No focal consolidation concerning for pneumonia is seen . There is no pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Persistent blunting of the right costophrenic angle , chronic . No definite focal consolidation to suggest pneumonia . No significant interval change .