my sister was diagonsed as grade two invasive duct carcinoma estrogen pos. her 2 neg. modified radical mastactomy was done to her and she HAS FREE LYMPH NODES , she is a candidate for oncotype dxr and we are waiting for the result hopfuly before 14th of febraury as by that time 6 weeks will ellapse, the question is ,she was heavy smoker and she wants to quit gradually rather than cold turkey what do u recommend





