The suffix commonly used to express a cutting operation is "-ectomy." This suffix is derived from the Greek word "ektomē," meaning "cutting out."
Examples of medical terms using the "-ectomy" suffix include:
1. Appendectomy (surgical removal of the appendix)
2. Tonsillectomy (surgical removal of the tonsils)
3. Mastectomy (surgical removal of the breast)
Therefore, in the given options, the correct choice is:
-ectomy
