Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of top normal size . Cardiomediastinal contours are stable . The patient 's arm is in a sling and projects over the right lung base . The lungs are hyperinflated but clear . No focal consolidation , pleural effusion , or pneumothorax . No radiopaque foreign body . A proximal right humerus fracture is incompletely imaged .
    OUTPUT:
    
1 . No evidence for acute cardiopulmonary process . 2 . Proximal right humerus fracture . Please refer to subsequent shoulder radiographs for details .