Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no consolidation or pneumothorax . Mild blunting of the left costophrenic angle is consistent with a small left pleural effusion as demonstrated on outside neck CT . No evidence of pneumomediastinum is identified . Heart is normal size . Soft tissue swelling is noted in the left supraclavicular region , and note is made of widening of the left superior mediastinal contour , both more fully evaluated on the neck CT exam .
    OUTPUT:
    
No evidence of pneumomediastinum . Soft tissue swelling in the left supraclavicular region and focal widening of left superior mediastinal contour , more fully evaluated on recent outside neck CT .