Fig. 3From: Tractotomy using the Penrose drain guide for deep lung injury caused by chest drainage: a case reportProcedure (pig lung models): A the Penrose drain is fixed to the chest tube, which is removed; B the Penrose drain is seen fully penetrating the lung. C The Penrose drain was attached to the stapler, D which was guided into the wound tract. E Stapling made the wound tract openBack to article page