Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to priors , there has been no significant interval change . Postoperative changes of left pneumonectomy with shift of the right lung into the left hemi thorax is again noted . The right lung is grossly clear . Cardiomediastinal silhouette is stable . No acute osseous abnormalities , chronic changes of left thoracotomy are noted .
    OUTPUT:
    
No acute cardiopulmonary process .