Answer: Telesurgery
Explanation:
Telesurgery is the process in which is performed by surgeons or doctors from distant location. This surgery takes place through multimedia communication of image and robotic processes and equipment. Telepresence is the factor that performs the surgery through sensors, controllers and other such robotic parts.
According to the question, telesurery is performed on Evelyn in Oregon through teleperformer robot that is under control of neurosurgeon who is in Chicago for removing her tumor.