Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable blunting of the costophrenic angles which is unchanged since at least ___ and compatible with pleural thickening . Other bilateral areas of pleural thickening are reidentified . The lungs are otherwise clear . Heart size appears increased compared to prior study . Hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Mild interval increase in heart size may represent incipient heart failure . 2 . No evidence of acute cardiopulmonary process . Areas of bilateral pleural thickening are unchanged from prior .