Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal upright AP and lateral views of the chest were obtained . The lungs are well expanded and clear without focal consolidation , pleural effusion or pneumothorax . There is no pulmonary edema . Heart size is normal . Mediastinal silhouette and hilar contours are normal . An inferior approach dialysis catheter ends in the right atrium . There is no acute osseous abnormality . No free air under the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .