Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is marked dextroscoliosis , resulting in distortion of the thorax . No pneumothorax , focal consolidation , or pleural effusion is seen . The heart size appears top normal . A left - sided cardiac pacemaker projects leads into the right atrium and ventricle .
    OUTPUT:
    
Severe dextroscoliosis . No acute intrathoracic process .