Cardiovascular System (I00-I99).
- Mariske – nonretractable flaccid skin folds at the anus.
- Hemorrhoidal thrombosis (synonym: thrombosed hemorrhoid) – thrombosis (obstruction of a blood vessel by a clot) of one or more hemorrhoidal nodes.
Mouth, esophagus (food pipe), stomach, and intestines (K00-K67; K90-K93).
- Anal abscess – collection of pus around the anus (with burning, stabbing, and dull pain symptoms; constant pain, varying in intensity depending on location)
Neoplasms – tumor diseases (C00-D48).
- Anal fibroma – benign tumor of the anus.
- Anal carcinoma – malignant tumor at the anus
- Melanoma (skin cancer)
