How can i avoid cancer in vagina?

HPV neg: There are two types of lesions in the vagina. One less common form is the metastatic tumor from elsewhere which has to be controlled to prevent the rare metastatic form. The other is a rectal cancer that invades anterior wall of rectum which is posterior wall of vagina and the last is a primary squamous lesion derived from HPV. A circumcised partener will not spread HPV and limit primary CA