Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Again seen are predominantly peripheral and basilar regions of increased interstitial markings . The appearance has not appeared to have progressed compared to prior . There is no region of new consolidation . No definite effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified .
    OUTPUT:
    
Findings compatible with pulmonary fibrosis without definite superimposed acute process .