Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left hemidiaphragm is again elevated with stomach / colon beanth . Mild left base atelectasis is seen . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable . Again partially imaged is a left humeral prosthesis . Multiple old right - sided rib deformities are re - demonstrated with underlying right pleural thickening .
    OUTPUT:
    
No significant interval change . No new focal consolidation to suggest pneumonia .