Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of consolidation , effusion , or pulmonary edema . Prominent extrapleural fat is seen bilaterally . The cardiac silhouette is stable . Right shoulder arthroplasty changes are noted in addition apparent dislocation or subluxation of the left glenohumeral joint .
    OUTPUT:
    
No acute cardiopulmonary process , no effusion . Possible subluxation or dislocation of the left glenohumeral joint .