Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again , there is a generalized interstitial abnormality , particularly at the bases , which has progressed since the prior exam . This is in keeping with the history of known interstitial lung disease . There is no focal airspace opacity , pulmonary edema , pleural effusion , or pneumothorax . The aorta is tortuous and partially calcified . The cardiomediastinal silhouette is otherwise normal . Redemonstrated is a large hiatal hernia .
    OUTPUT:
    
1 . Interval progression of the patient 's interstitial lung disease . No focal opacity to suggest pneumonia . 2 . Large hiatal hernia . Results were discussed with ___ at Dr . ___ office at 11 : 15 a .m . on ___ via telephone by Dr . ___ at the time the findings were discovered .