The case reports are the evidences which provides the details about the diagnosis, treatments and further follow ups, the demographic profiles of the cancer patient. The prescription review given by oncologists of other patients may also present in a report for the reference. In cancer metastasis the patient case reports play an important role for treating. On another hand, it also makes a decent cancer therapy database which will be useful for future education and advances in cancer research. The cancer pathogenesis and its effects can also be showed in a case report. The case report is considered as a subjective evidence, something which is considered very personally. Statistical sampling of the patients with cancer which is useful and may also present in a case report for reference. It is considered as a patient history, which will be more helpful in case of treating cancer. Cancer Conferences is a good platform to innovate the novel therapy in advance cancer research.