Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There has been significant interval decrease in size of the previously seen right lower lobe mass with some persistent linear opacities in that region on the lateral view . There is no new consolidation nor effusion . The cardiomediastinal silhouette is within normal limits . Descending thoracic aorta is tortuous . No acute osseous abnormality is detected .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Significant interval decrease in size of previously seen right lower lobe mass .