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Internist A doctor who has special training in internal medicine. An internist works with adult patients to
prevent, diagnose, and treat diseases without using surgery.

Gastroenterologist A doctor who specializes in diagnosing and treating disorders of the stomach, intestines, and other
organs like the liver.

Hepatologist A doctor who specializes in diseases of the liver.

Radiologist A doctor who has special training in creating and interpreting pictures of areas inside the body.

Pathologist A doctor who examines the tissues in the body and performs lab tests that help other healthcare
providers make a diagnosis.

Interventional Radiologist A doctor who performs minimally invasive treatments using imaging such as CT scans, ultrasound, MRI,
and/or repeated X-rays called fluoroscopy to help guide procedures.

Medical Oncologist A doctor who has special training in diagnosing and treating cancers in adults using chemotherapy, hormonal
therapy, biological therapy, and targeted immunotherapy.

Surgical Oncologist A surgeon who has special training in performing surgical procedures in people who are suspected of having
and/or living with cancer.

Nurse Practitioner A registered nurse who has additional education and training in how to diagnose and treat diseases.
In cancer care, a nurse practitioner may help manage the primary care of patients and their families. There
are also advanced practice nurses (APNs).

Patient/Nurse Navigator An experienced professional who guides patients and their families through complex medical systems
and helps them work with the rest of the cancer care team to overcome barriers to care. They can
connect patients and their families to information and resources to help them make informed decisions.
A nurse navigator assists patients from initial diagnosis throughout treatment and follow up.

Therapist/Social Worker A professional who specializes in counseling, evaluating and providing services to people who may have
emotional, social, family, or other problems or concerns; therapists and social workers may work in
hospitals, clinics, or private practices within a city, town, or community. Some of these professionals
specialize in helping people with cancer.