Whether it is possible to have rectal cancer without radiotherapy and chemotherapy after surgery depends on the stage of rectal cancer and so on.
Rectal cancer is categorized into stage I, II, III and IV. If the rectal cancer is stage Ⅰ, stage ⅡA, and it is low or middle grade rectal cancer, and there is no lymphatic metastasis, and there is no poor prognosis, it is possible to operate directly without radiotherapy and chemotherapy.
If the rectal cancer reaches stage III or IV, and it is middle or low rectal cancer, accompanied by lymph node metastasis or invasion of the whole rectal wall, or stage I or II with poor prognostic factors, it is necessary to cooperate with radiotherapy and chemotherapy for treatment, which can help the patients to eliminate the residual cancer cells and improve the chance of cure.
Without chemotherapy, not all cancer cells can be completely and thoroughly eliminated, and some will remain in the body, leading to the spread and metastasis of cancer cells and causing recurrent attacks.
Rectal cancer is a relatively common malignant tumor of digestive system, this disease should be treated as early as possible, and in addition, it is also necessary to maintain a good state of mind, do not be overly nervous and anxious.