ALB and diabetes mellitus: Since an ND was also being performed, we also considered nerve reconstruction using the ansa cervicalis, which could be secured in the surgical field, but we judged that the risk of postoperative infection with the artificial ANC was not high (BMI >20, no diabetes, no history of radiotherapy, no history of chemotherapy, no clindamycin administration, no blood transfusion, albumin >3.5) [18], and we selected the ANC as the reconstruction tissue.