oncology

n. branch of medicine that studies cancer and its treatment, study of tumors (Medicine)

See cancer for the biology of the disease, as well as a list of malignant diseases.Oncology is the branch of medicine that studies tumors (cancer) and seeks to understand their development, diagnosis, treatment, and prevention. A Medical professional who practices oncology is an oncologist. The term originates from the Greek ogkos (ογκος), meaning bulk, mass, or tumor and the suffix -ology, meaning "study of".
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Oncology /on·col·o·gy/ the sum of knowledge regarding tumors; the study of tumors. on·col·o·gy n. The branch of medicine dealing with the physical, [more]Oncology - Community and Resources

Noun
1. the branch of medicine concerned with the study and treatment of tumors
(hypernym) medicine, medical specialty

The study of cancer.