Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Low lung volumes are seen compatible with patient 's history of fibrosis . Diffusely increased interstitial markings are seen throughout the lungs , but these appear overall slightly worse when compared to prior . Cardiomediastinal silhouette is grossly unchanged . No acute osseous abnormality is detected .
    OUTPUT:
    
Findings compatible with pulmonary fibrosis with likely superimposed edema . Please note that infection can not be excluded and clinical correlation is necessary .