41 Educational services, namely, providing classes, seminars and information in the fields of cancer, cancer care, bladder cancer, blood and marrow stem cell transplantation, bone tumors and sarcoma, brain and spine cancers, breast cancer, cancer rehabilitation, CAR-T Cell therapy, cardio-oncology, cervical cancer, children's cancer, colorectal cancer, endocrine and thyroid cancer, esophageal cancer, gastric cancer, gynecologic cancer, head and neck cancer, hepatobiliary and pancreatic cancer, kidney cancer, leukemia, lung cancer, multiple myeloma, noncancerous blood disorders, nutritional counseling and services, precision medicine, prostate cancer, skin cancer, radiation oncology, skin cancer, testis cancer and ureter cancer