This is the 8146th most frequent Spanish word.
oncología
The branch of medicine that deals with the study, diagnosis, and treatment of cancer.
In this sentence, 'oncología' is used to denote the medical specialty.
La oncología es una rama de la medicina que estudia los tumores.
Oncology is a branch of medicine that studies tumors.
Here, 'oncología' refers to the specific hospital department dealing with oncological medicine.
Mi tío trabaja en el departamento de oncología del hospital principal.
My uncle works in the oncology department of the main hospital.
In this context, 'oncología' represents the professional field of expertise.