A client presents to the unit after undergoing a bronchoscopy for a lung mass biopsy. At 1245, the client reports an acute onset of right-sided chest pain and progressively worsening shortness of breath with a pain scale of 8 out of 10. The client is diaphoretic and agitated with oral mucosa cyanotic and tracheal deviation noted. Chest expansion and breath sounds are diminished on the right side with intercostal retractions. A chest tube is placed and connected to a collection system. In which position should the nurse place the client to facilitate chest tube drainage and lung expansion?