Final answer:
The robotic arm for lower abdomen surgeries is positioned on the patient's left side to provide the surgeon with better access and control.
Step-by-step explanation:
The robotic arm for surgeries of the lower abdomen is generally positioned on the patient's left side. This placement provides the surgeon with better access to the surgical site. By positioning the arm on the left side, the surgeon can manipulate the robotic instruments more effectively to perform the necessary procedures.