Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated somewhat to the right . Subtle patchy left base opacity could be due to atelectasis versus a pneumonia . There may be slight blunting of the posterior costophrenic angles which may be due to trace pleural effusions . No pneumothorax is seen . The cardiac silhouette remains enlarged . The aorta is unfolded and calcified . Skin fold is noted overlying the left hemi thorax .
    OUTPUT:
    
Subtle patchy left base opacity could be due to atelectasis but pneumonia is not excluded in the appropriate clinical setting .