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Dietary exposures and other factors of possible prognostic significance in relation to tumour size and nodal involvement in early-stage breast cancer

Study shows that for every gram increase in estimated calorie-adjusted daily fat intake there was a 0.09 mm increase in tumor diameter

Method
In this case series study of 546 early-stage breast cancer patients we examined the relationship between tumour size and axillary nodal involvement separately in relation to other factors suggested to be of prognostic significance in breast cancer
Results
We found that, among premenopausal women, for every gram increase in estimated calorie-adjusted daily fat intake there was a 0.09 mm increase in tumour diameter (T = 2.58, P = 0.01). Also among premenopausal women, we observed an inverse relationship between nodal involvement and fibre intake (g/d) and nodal involvement (B = -0.058, T = -2.11, P = 0.04). For postmenopausal women we observed an inverse relationship with serum cholesterol (mg/dl) (B = -0.005, T = -1.85, P = 0.07).
Other findings of interest include the absence of background factor effects in premenopausal women, the lack of nutritional effects and the consistency of a protective effect of education among postmenopausal women, and a relationship between hormone receptor levels and tumour size among premenopausal women.