Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . When compared to prior , there is a new moderate left - sided pleural effusion . Diffusely increased interstitial markings are again noted . There is no new confluent consolidation . The cardiomediastinal silhouette is unchanged . Atherosclerotic calcifications noted at the arch . Surgical clips project over the left axilla . No acute osseous abnormality detected . On the lateral view , there is evidence of a catheter in the abdomen , its exact location is uncertain based on this single view .
    OUTPUT:
    
Increased interstitial markings which may be due to interstitial edema versus a chronic underlying interstitial process . New left pleural effusion .