Answer:
Oncologist.
Step-by-step explanation:
Oncologist may be defined as the doctor who has specialization in cancer and treats the disease by medication. Cancer may be defined as the uncontrolled growth of the cell division.
Sofia has the biopsy of lymph nodes and finds that her cells of lymph nodes are dividing quickly. This is the sign of cancer. To treat and confirm whether she is suffering from cancer, she should see the oncologist to treat her disease.
Thus, the correct answer is option (2).