**Acknowledgements**

The authors thank the Faculty of Information Science and Technology, Universiti Kebangsaan Malaysia, for providing the facilities and financial support under "ETP-2013- 053 diagnostic services nexus for breast cancer." Gratitude is also due to Human Life Advancement Foundation (HLAF) for its financial support. Ethics approval was obtained entitled "FF-338-2012 Breast Cancer Diagnostic Imaging System Using Mammogram and Ultrasound" from UKM Medical Center, Malaysia, for collecting and studying breast cancer patient records.
