Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP view of the chest . Lower lung volumes seen on the current exam . There is persistent blunting of the right costophrenic angle . The left lung and superiorly the right lung remains clear . Cardiomediastinal silhouette is stable . No acute osseous abnormalities are seen noting probable dislocation of the left glenoid humeral joint .
    OUTPUT:
    
No significant interval change . Persistent blunting of the right costophrenic angle potentially due to effusion , scarring or atelectasis . Persistent dislocation of the left glenohumeral joint .