Standard treatment of anal cancer is a protocol of combined chemotherapy and radiotherapy. Typically, a diagnosis of LSIL results only in more frequent monitoring in case it progresses to HSIL. When HSIL is diagnosed, treatment may be called for to reduce the likelihood of progres- sion to cancer. This may include surgical removal of the lesions. Data on the efficacy of treatment are scarce. However, treatment of cervical lesions has been shown to be effective in substantially reducing the risk of progression to cancer
