Not all patients with colon cancer need chemotherapy, and the need for chemotherapy is based on the patient’s tumor stage and the presence of high-risk factors.
Colon cancer is common among neoplastic diseases and poses a significant threat to human health. Surgery is the primary treatment for this disease, and postoperative chemotherapy is one of the primary adjuvant treatments.
After tumor resection, chemotherapy is not needed if the cancer is determined to be superficially infiltrated, just within the intestinal canal, and if there are no lymph node metastases, because this is an early stage of the tumor and chemotherapy does not improve the cure rate of the disease. For stage II patients, we can further investigate the changes of protein level and genes after surgery, and let the doctor determine whether there are high-risk factors before deciding whether chemotherapy is needed or not, but for stage III colon cancer patients, chemotherapy is recommended after surgery. The purpose of postoperative chemotherapy is to reduce the chance of recurrence and prolong life expectancy.
So the need for chemotherapy is based on the patient’s own condition and intraoperative exploration and postoperative pathological staging, and cannot be generalized.