Surgeries of the skull base are often categorized according to three things. Which of the following includes the three things by which surgeries of the skull base are categorized?

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Definitive procedure, approach procedure, and repair or reconstruction are the three things by which surgeries of the skull base are categorized. The approach procedure is the procedure that is done to gain access or exposure to the lesion or operation site. The definitive procedure is the actual biopsy, excision, or treatment of the lesion or operation site. The repair or reconstruction procedure is only reported separately if it is extensive or complicated, and it includes the closure of the surgical site such as skin grafts.

Surgeries of the Skull Base Are Often Categorized According to Three