What causes cancer sickness ache reason?

In fact all cancer sickness can experience the ache by no means that however has many different reasons to be possible to cause cancer sickness ache. The ache may be because of treats causes, for example patient after operation will experience the ache which the operation itself will cause. Even the ache also possibly has nothing to do with completely with cancer itself, for example the muscle sprains, the toothache, or the headache and so on. Cancer ache's degree and cancer's type, disease's stage as well as the patient himself concerns to the pain stickability. Continues several days or the long-time cancer ache, but because below reason occurrence: 1. tumor oppression nerve. 2. inflammation or inflammation response. 3. the blood vessel channel is blocked causes the blood circulation not to be good. 4. in the body some organ or the pipeline are blocked. 5. causes the bone fracture the cancer cell shift to the bone. 6. the operation following function, because of lacks the activity to cause stiffly, or medicine side effect, like constipation, oral cavity broken skin. 7. pair of disease's non-body responses, like anxious, depressed or anxious.