Light micrograph of a section through human cancerous tissue showing anal cancer. This is a rare type of cancer that affects the anus, which can start in any part of the anus. There are a range of symptoms including bleeding, itching and a discharge of mucus. Other symptoms are often similar to haemorrhoids and anal fissures. Most anal cancers are caused by the human papillomavirus (HPV). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Downer, Nigel |
Taille de l’image : | 4724 px × 3766 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |