Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal PA and lateral chest radiographs were obtained . The lungs are well inflated and clear . No focal consolidation , effusion , or pneumothorax is present . The cardiac and mediastinal contours are normal . There is an impression in the left side of the cervical airway .
    OUTPUT:
    
No acute cardiopulmonary process . Left sided impression in the cervical trachea suggests enlargement of the left lobe of the thyroid gland . Correlate with thyroid ultrasound . Findings were entered into the critical results reporting tool at ___ on ___ .