Not true Turtleboard,
DO's can do allopathic fellowships! I know an oncologist at Baylor who did an osteopathic internship, osteopathic internal medicine residency, allopathic oncology fellowship and allopathic subspecialization:
Robert J. Amato, D.O.
Associate Professor
Education: D.O., internship and residency training, Texas College of Osteopathic Medicine, Fort Worth, Tx.;
Fellowship, University of Texas M.D. Anderson Cancer Center, Houston, Tx.
Special interests: genitourinary medical oncology; development of a gene therapy and vaccine program to treat prostate, testicular, and renal cancer.
<a href="http://www.urol.bcm.tmc.edu/physicians.html" target="_blank">http://www.urol.bcm.tmc.edu/physicians.html</a>
NAME John Anthony Papsidero, D.O.
Associate Professor
SPECIALTY: Otorhinolargyngology (Ear, Nose and Throat)
Facial Reconstructive Surgery
Plastic Surgery (Facial)
Osteopathy
MEDICAL SCHOOL: Michigan State University
College Osteopathic Medicine
POST GRADUATE: Residency-Pontiac Osteopathic Hospital, Pontiac, MI
Fellowship-Cleveland Clinic Foundation - Otolaryngology
Cleveland, Ohio
BOARD CERTIFICATIONS: American Board of Otolaryngology