Dr. Shigemitsu Itami and a female scientist working in Experimental Cancer Department at Central Cancer Research Laboratories. Cancer research is basic research into cancer to identify causes and develop strategies for prevention, diagnosis, treatment, and cure. Cancer research ranges from epidemiology, molecular bioscience to the performance of clinical trials to evaluate and compare applications of the various cancer treatment. These applications include surgery, radiation therapy, chemotherapy, hormone therapy, Immunotherapy and combined treatment modalities such as chemo-radiotherapy. No photographer credited, dated 1931.