Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube ends approximately 5 .3 cm above the carina . Lungs are grossly clear . Cardiomediastinal and hilar contours are unchanged . There is no pneumothorax or large pleural effusion . Mild pulmonary edema is seen . There is a contour irregularity of the inferior humeral head on the left , likely representing a reverse Hill - ___ deformity .
    OUTPUT:
    
1 . Endotracheal tube ends approximately 5 .3 cm above the carina . 2 . Contour irregularity of the left inferior humeral head ( reverse Hill -___ ) , likely relates to prior posterior shoulder dislocation . 3 . Mild pulmonary edema .