The following specialties have some form of subspecialization in oncology (this additional training varies in length from two to five years, depending upon your area of interest):
Internal medicine (subspecialties of medical oncology or combined hematology and medical oncology)
OB/GYN (subspecialty of gynecologic oncology)
Medical oncology (subspecialties of pediatrics, geriatrics, palliative care or pharmacology)
Neurology (specialization in neuro-oncology or neurosurgical oncology)
Pathology (multiple areas of subspecialization including neuropathology, hematology or other organ/tumor-specific pathology)
Pediatrics (subspecialty of pediatric hematology/ oncology)
Radiation oncology specialty
Radiology (subspecialization in multiple areas, often organ-specific such as neuroradiology or mammography, or technique-specific such as nuclear medicine)
Surgery (specialization in surgical oncology)
Urology (specialization in urologic oncology)
The common bond is that in each of these fields, prospects to develop a career in patient care, research and education abound. While virtually all the various subspecialties in oncology have their own professional societies, the American Society of Clinical Oncology (ASCO) is home to every oncologic specialty interest. Students with an interest in oncology are eligible for free membership and generous benefits in ASCO.