 plasma 17-hydroxycorticosteroid 17-oxosteroid patient breast cancer normal women 1 17-hydroxycorticosteroid 17-ohc 17-oxosteroid measur plasma normal women patient earli breast cancer patient advanc metastat diseas 2 plasma 17-ohc level normal earli stage diseas rais advanc diseas group patient varianc greater normal women 3 plasma 17-oxosteroid level earli advanc breast cancer normal level varianc increas 4 correl plasma 17-ohc 17-oxosteroid normal women cancer patient 5 patient advanc breast cancer level plasma 17- oxosteroid correl amount 11-deoxi- 17-oxosteroid urin correl plasma urinari 17-ohc 6 physiolog signific find discuss 