Oncology

[ɒŋ'kɒlədʒɪ] or [ɑn'kɑlədʒi]

(noun.) the branch of medicine concerned with the study and treatment of tumors.

Edited by Carmella--From WordNet

n. the science of tumours.—n. Oncot′omy incision into or excision of a tumour.

Inputed by Carter