Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . No free air below the right hemidiaphragm is seen . Dedicated views of the left shoulder and left humerus were provided . There is severe left AC joint arthropathy with bony hypertrophy and loss of joint space . There is mild high - riding of the left humeral head suggesting chronic rotator cuff disease . No worrisome calcifications . No acute fracture seen .
    OUTPUT:
    
No acute intrathoracic process . Left AC joint arthropathy . No fracture .