Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to earlier the same day , no definite change is detected . There is equivocal slight coarsening of the pulmonary markings in the mid zones bilaterally . Again seen is increased retrocardiac density , consistent with left lower lobe collapse and / or consolidation slight blunting of the right costophrenic angle . Cardiomediastinal silhouette is unchanged . The background COPD . No pneumothorax detected . Incidental note again made of a calcified granuloma in the left lung apex .
    OUTPUT:
    
Possible slight increase in degree of vascular plethora compared with earlier the same day . CHF findings are definitely increased compared with ___ at 08 : 19 . Left lobe collapse and / or consolidation and small right effusion are also new since the radiograph from ___ .