Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . Given differences in positioning and technique , there has been no significant interval change . Bilateral peripheral and lower lobe reticular opacities are again seen which are worse on the right than on the left . This is compatible with patient 's pulmonary fibrosis . There is no definite new region of consolidation nor effusion . Cardiomediastinal silhouette is unchanged . High - density material seen within the colon . No acute osseous abnormality is detected .
    OUTPUT:
    
No definite acute cardiopulmonary process .