Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lower right lateral pleural abnormality likely represents pleural thickening . Chronic blunting of the right costophrenic angle . The mild to moderate cardiomegaly is slightly enlarged compared to prior with mild vascular redistribution . Stable calcification of aortic knob . Stable degenerative changes of thoracic spine .
    OUTPUT:
    
1 . Early acute on chronic decompensated heart failure . 2 . Stable right lower pleural thickening .