Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs demonstrate severe upper thoracic rightward convex scoliosis , likely exaggerated secondary to patient positioning . Assessing cardiomediastinal and hilar contours is difficult given patient positioning . Heart size is probably top normal to mildly enlarged . Lungs are clear without a focal consolidation convincing for an infectious process . Emphysematous changes are moderate . Blunting of bilateral costophrenic angles may reflect pleural thickening . There is no large pleural effusion , pneumothorax , or evidence of pulmonary edema .
    OUTPUT:
    
No acute intrathoracic abnormality . Emphysematous changes .