New Breast Cancer Facts for Ghana (M.T. Agyei-Frempong, F. N. Ghartey et al 2008). Prevalence is 1%. 5yr survival is 45%. 72% express Her-2. 20% are ER positive. 15% are tripple negative.60% are late/locally advanced breast cancer. Early detection offers the best solution to low survival irrespective of race and geographical location..