Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates clear lungs bilaterally . Cardiomediastinal and hilar contours are within normal limits . Blunting of the left costophrenic angle most likely secondary to atelectasis . No large effusion is identified . There is no pneumothorax . Visualized osseous structures are without acute abnormalities .
    OUTPUT:
    
No focal consolidation concerning for pneumonia .