what is lsil hpv
1 The changes are almost always a sign of an HPV infection. ASC-US is the most common abnormal Pap test result.  Low-grade squamous intraepithelial lesion (LSIL)âLSIL means that the cervical cells show changes that are mildly abnormal. LSIL usually is caused by an HPV infection that often goes away on its own.