Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . The aorta is mildly tortuous with atherosclerotic calcifications noted at the aortic knob . Right - sided indentation upon the trachea with fullness of the superior mediastinum may reflect a thyroid goiter . Lungs are hyperinflated without focal consolidation . No pleural effusion or pneumothorax is demonstrated . No pulmonary vascular congestion is seen . There are mild degenerative changes seen within the thoracic spine without acute osseous abnormality .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Probable thyroid goiter accounting for the superior mediastinal widening and indentation upon the right aspect of the trachea . Clinical correlation is recommended and further assessment with thyroid ultrasound can be obtained .