Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Heart and mediastinal contours are within normal limits . There is leftward deviation of the extrathoracic trachea , likely secondary to known right thyroid nodule .
    OUTPUT:
    
No acute cardiopulmonary abnormality .