Dr SUSHANTKUMAR IKHAR, Senior Medical Oncologist & Hematologist HCG Hospital Nagpur     Immunotherapy is a drug used in the treatment of cancer. It is a new modality of treatment. immunotherapy is given intravenously (injection) usually at 2 or 3 weeks interval. Ipilimumab is the first immunotherapy approved for cancer treatment. there are several others drugs in this category for example Pembrolizumab, Nivolumab , Atezolizumab and Avelumab.     Immunotherapy