Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to both prior chest x-ray from ___ and CT chest from ___ . Compared to prior exam , there has been no significant interval change in the widespread parenchymal opacities throughout the lung fields which are associated with overall volume loss . There is no definite new region of consolidation nor pleural effusion . Cardiac silhouette appears enlarged but could be accentuated due to lower lung volumes . This is unchanged from prior . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Evidence of patient 's known underlying interstitial lung disease without definite superimposed acute process .