Mother had lobular breast cancer at 52-- post menopause.negative for brca genes, atm, p53, cdh1, etc. is there a strong likelihood i'll get it a well?

It may be possible: Some genetic changes leaves a patient more susceptible to breast cancer. However, i believe it's more important what your genetic profile is than your mother. There is clearly a familial link in breast cancer. You should check with a breast surgeon in your area, or a general surgeon with a special interest in breast disease, to find out more.