Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased . There are diffuse bilateral interstitial opacities which appear more conspicuous than in the previous exam , possibly due to interstitial pulmonary edema . Regions of patchy opacities of both mid lungs are also more pronounced owing to the increased interstitial conspicuity . No new focal opacities are identified . There may be a small left - sided pleural effusion . Perihilar indistinctness is also more pronounced than in the previous exam . Cardiac size is not significantly changed . Bilateral optic of calcified plaques are redemonstrated . There is no pneumothorax . There is a large hiatal hernia . Dense material in the lower thoracic spine is again seen , sequela of prior vertebroplasty .
    OUTPUT:
    
1 . On the background of chronic pulmonary interstitial disease there are increased imterstitial opacites possibly due to mild heart failure . There is no focal pulmonary opacity concerning for pneumonia . 2 . Large hiatal hernia . 3 . Sequela of prior or vertebroplasty is reidentified .