Question

the branch of medicine concerned with the study of malignant growths is:
a pathology
b hematology
c immunology
d oncology

Explanation:

Pathology studies the causes and effects of diseases in general. Hematology focuses on blood - related disorders. Immunology is about the immune system. Oncology is specifically the branch of medicine dealing with the study, diagnosis, and treatment of malignant growths (cancer).

Answer:

D. oncology