Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Blunting of the right costophrenic angle could represent atelectasis , and no corresponding blunting is appreciated on the lateral view . Linear markings in the left lung base are again noted , likely representing scarring or atelectasis . There is no evidence of focal consolidation , pulmonary edema or pneumothorax . The heart and mediastinal contours are normal .
    OUTPUT:
    
No definite acute cardiopulmonary process . Blunting of the right costophrenic angle could represent atelectasis as no corresponding effusion is appreciated on the lateral view .