Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no pneumothorax or pleural effusion . Cardiac contour is top normal . There is small widening of the contour of ascending aorta . There is a small deformation in right lateral wall of superior trachea where a thyroid nodule can not be excluded and should be correlated with a sonogram if clinically indicated .
    OUTPUT:
    
1 . There are no acute cardiopulmonary findings . 2 . Possible right thyroid pathology . A sonogram could be done if clinically indicated .