The courageous story of Bhumika, who was diagnosed with Ewing's sarcoma cancer at a very young age. Read about her brave battle against cancer. ZenOnco.io - Making quality integrative oncology cancer care accessible to all. If you or your loved one has been diagnosed with cancer recently, and need guidance on treatment or have any doubts or queries, please call ZenOnco.io on +91 99 30 70 90 00.