Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Mediastinal clips are noted . Lungs are clear . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . There is a subtle defect along the medial and inferior aspect of the right humeral head raising potential concern for a reverse Hill - ___ deformity in the setting of chronic posterior shoulder dislocation . Please correlate clinically . Mildly elevated right hemidiaphragm is unchanged .
    OUTPUT:
    
No acute intrathoracic process