Immunotherapy is an emerging technique to kill cancer cells Written by Dr harold Gunatillake FRCS, FICS, FIACS, AM (Sing), MBBS Health writer For decades, cancer has been treated with invasive procedures like surgery, combined with non-invasive- radio and chemo therapy. Some cancers are also controlled through hormone therapy specifically for those hormone dependant cancers of the breast post conventional therapy. If cancer is detected in the early stages excisional surgery could be 100% cure. If the cancer cells have spread beyond its local boundaries, say into the regional lymph glands then regional radiotherapy is planned in addition to primary elective surgery. When spread beyond the regional lymph glands –chemotherapy is added as an adjuvant therapy to kill ‘metastatic cancer cells’ in the distant sites. The problem with non-invasive procedures is that normally functioning healthy cells also get harmed, revealed by hair loss, gastro-intestinal symptoms, tiredness, lethargy loss of appetite, and ...