(i) the PCCR (Pancreatic Cancer Collaborative Registry that was established in 2001), (ii) the BCCR (Breast Cancer Collaborative Registry - established in 2006 ); (iii) the TCCR (Thyroid Cancer Collaborative Registry - established in 2006), and (iv) the GPHID (Great Plains Health Informatics Database - established in 2011 to enroll subjects who have no personal history of cancer diagnosis at the time of enrollment).