Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are somewhat low , accentuating retrocardiac vascular markings . No discrete consolidation , pleural effusion , pneumothorax , or pulmonary edema is identified . The heart size is normal . Suggestion of a slight impression upon the right aspect of the trachea at the level of the thoracic inlet is noted .
    OUTPUT:
    
No acute cardiopulmonary process . Suggestion of slight fullness at the right thoracic inlet may be due to a thyroid nodule or thyroiditis . Correlation with clinical exam is recommended .