RESUMO
According to the literature and expert experience, a comprehensive index system of subjective and objective was established, including the patient's condition, the treatment information for the same kind of patients, technical level of the medical team, and the medical conditions. Secondly, in the light of the heterogeneous evaluation information, the comprehensive index weight was computed by combining subjective weight and objective entropy weight. Furthermore, the VIKOR method was applied to deal with heterogeneous evaluation information and obtain the priority of potential surgical treatments. Taking a rectal cancer patient in a general hospital in Hunan Province as an example, the optimal surgical treatment obtained by this method was consistent with the actual treatment. The reliability and effectiveness of the heterogeneous VIKOR method based on probabilistic linguistic term sets are verified by an experimental example of rectal cancer, and the method can be used to help doctors, patients and family members to select the surgical treatments for rectal cancer effectively.