Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . There is stable leftward tracheal deviation , unchanged from prior study . The heart size is normal . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . No radiographic evidence for acute cardiopulmonary process . 2 . Stable leftward tracheal deviation , likely reflective of right thyroid lobe enlargement .