Apocrine gland anal sac adenocarcinomas also have a tendency to metastasize to the regional lymph nodes, spleen, and eventually lungs and, less commonly, bones.
Apocrine gland anal sac adenocarcinomas also have a propensity to spread to nearby lymph nodes, spleen, and eventually lungs and, less frequently, bones. This is similar to the behavior of other types of cancer that metastasize to these areas.