Table 50 Initial Treatment of Rectocolon Cancer Cases Sample Treatment N = 166a n = 156b n = 142c n = 6d None 15 10 9 0 Surgery 93 90 77 4 Radiation 3 2 3 0 Chemotherapy 1 1 1 0 Surgery, radiation 5 5 5 1 Surgery, chemotherapy 27 27 25 1 Radiation, surgery 22 21 22 0 a Original sample. cases with missing values for stage and histology excluded. Cases fith missing values for stage and log survival excluded. Rectocolon cancer patients interviewed for psychosocial analysis.