It sounds like you're looking for a Fellowships in Psychosocial Oncology or psycho-oncology.
Dana Farber has a good program
Sloan Kettering has a good program too.
"PGY V Fellowships in Psychosocial Oncology
The Psychosocial Oncology Program at Dana-Farber/Brigham and Women's Cancer Center (DF/BWCC) is recruiting full-time PGY V fellows in psychiatry to service the clinical needs of a busy academic psychosocial oncology service. Fellowship runs for a full year, from July through June." See Link below
http://www.dana-farber.org/pat/adult/psychosocial/fellowships.html
Clinical Fellowship Program in Psychosomatic Medicine and Psycho-Oncology (ACGME Program Number 4093531020)
"The Memorial Sloan-Kettering Cancer Center (MSKCC)/New York Presbyterian/Weill Cornell Medical Center's Psychosomatic Medicine Clinical Fellowship Training Program was first established 25 years ago in the Department of Psychiatry and Behavioral Sciences of MSKCC. As one of the largest and most academic psychosomatic medicine fellowship programs in the country, it has been unique among fellowship training programs in its primary focus on cancer as a model of illness, its highly active research environment, and its nationally renowned teaching faculty." Link Below
http://www.mskcc.org/mskcc/html/69092.cfm