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Fig. 2 | Trials

Fig. 2

From: A safety study of transumbilical single incision versus conventional laparoscopic surgery for colorectal cancer: study protocol for a randomized controlled trial

Fig. 2

Operative position and single-incision multichannel device. a The patient is placed in a lithotomy position. The surgeon stands at the patient’s right side with the first assistant at the left side, while the camera operator stands beside the patient’s right shoulder with the monitor placed beside the patient’s left leg. b The homemade multichannel device comprises a soft tissue retractor and a surgical glove

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