Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , there are increased interstitial abnormalities at the bilateral bases and in the right apex with some tenting of the right side of the mediastinum . The abnormalities are mostly subpleural in location . There is interval volume loss of both lungs . There is no focal opacity , pulmonary edema , pleural effusion , or pneumothorax . The heart size is normal . Tiny clips are present at the diaphragm , and related to the known gastric surgery .
    OUTPUT:
    
Subpleural interstitial abnormalities and volume loss , new since ___ . These changes are concerning for pulmonary fibrosis . Recommend a high resolution CT of the chest for further characterization . These results were entered into the critical results communication dashboard on ___ by Dr . ___ .