More than 97% of Human Papilloma Virus Type 16 (HPV-16) was Found with Chrysotile Asbestos & Relatively Smooth Round Tumor Outline, and Less than 3% was found with HPV-18 and Tremolite Asbestos & Irregular Sawtooth-like Zigzag Outline in Breast Cancer Tissues in Over 500 Mammograms of Female Patients : Their Implications in Diagnosis, Treatment, and Prevention of Breast Cancer