Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with unremarkable cardiomediastinal contours . Lung volumes are low and small right atelectasis is present . Lungs are otherwise clear without focal or diffuse abnormality . No pleural effusion or pneumothorax is identified . The catheter of a right chest wall port , which has been accessed , terminates in the right atrium . The osseous structures are unremarkable .
    OUTPUT:
    
Low lung volumes with atelectasis . No pleural effusion .