1. Wound Healing
   1. Tracheotomy
2. Surface - carbuncles, acne
3. Skeletal
   1. Fractures
   2. Prosthesis
   3. Arthritis
4. Radiation
   1. Pneumonitis
   2. Esophagitis
5. Sarcoidosis
6. Ventral Hernia
7. Rectal Hemorrhoids