Oncology is generally defined as the medical specialty
of the study and treatment of tumours. Some definitions
are more precise - specifying the study and treatment
of cancer in particular.
Oncology is an important discipline in the field
of cancer care, and is often sub-divided into classifications
of medical onocology, surgical onocolgy, and radiation
onocolgy.
More about Oncology:
The term is onocology comes from
the from the Greek "onkos" which means
"bulk or mass", together with the suffix
-ology (meaning "study of").
A medical specialist in the field of oncology is
called a oncologist. The adjective used to refer
to oncology is "oncological".