Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is normal . Blunting of the left costophrenic angle , unchanged from ___ is due to pleural parenchymal scarring . There is no focal consolidation or overt pulmonary edema , but there is an increase in peribronchovascular opacification in the lung bases , perhaps atelectasis , recent aspiration , or the earliest manifestation of cardiac decompensation . .
    OUTPUT:
    
No lobar collapse or pleural effusion . Nonspecific bibasilar lung abnormality . See discussion above .