Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Transanal minimally invasive surgery (TAMIS) has emerged as an important alternative to transanal endoscopic microsurgery (TEM) capable of providing highquality local excision for rectal neoplasia [1–10].
Category: