Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial opacities and prominence of the pulmonary vasculature is consistent with mild interstitial edema . Small bilateral pleural effusions are present , with the left effusion appearing new in the interval . Bibasilar streaky opacities have slightly increased since ___ and may represent atelectasis however infection should be considered in the appropriate clinical setting . Moderate cardiomegaly is stable . The aortic is diffusely calcified . Extensive emphysematous changes are re- demonstrated . More focal ill - defined nodular opacities are re- demonstrated , most pronounced in the upper lobes , and better seen on the prior CT . Known right lower lobe spiculated nodule is obscured on the current exam . No acute osseous abnormalities present .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema , new since ___ , and bilateral small pleural effusions . 2 . Bibasilar streaky opacities likely reflect atelectasis , however , infection should be considered in the appropriate clinical setting . 3 . Severe emphysema . Scattered ill - defined nodules within the lungs are better demonstrated on the prior chest CT .