1. Pilipshen SJ, Heilweil M, Quan SHQ, Sternberg SS, Enker WE. Patterns of pelvic recurrence following definitive resection of rectal cancer. Cancer 1984;53:1354–62.
2. Gunderson LL, Tepper JE, Dosoretz DE, et al. Patterns of failure after treatment of gastrointestinal cancer. Cancer Treat Symp 1983;2:181–97.
3. Perez CA. Preoperative irradiation in the treatment of cancer. Experimental observations and clinical implications. Front Radiat Ther Oncol 1970;5:1–29.
4. Rich T, Gunderson LL, Lew R, Galdibini JJ, Cohen AM, Donaldson G. Patterns of recurrence of rectal cancer after potentially curative surgery. Cancer 1983;52:1317–29.
5. Withers HR, Cuasay L, Mason KA, Romsdahl MM, Saxton J. Elective radiation therapy in the curative treatment of cancer of the rectum and rectosigmoid colon. In: Stroehlein JR, Romsdahl MM, eds. Gastrointestinal cancer. New York: Raven Press, 1981:351–62.