TABLE 2—

Tissue Collections (Blocks or Hematoxylin and Eosin Stained Slides): NHS and NHS II

	NHS		NHS II
Disease	Follow-Up Years	Cases Collected, No.	Follow-Up Years	Cases Collected, No.
Breast cancer	1976–2010	7 459	1991–2011	2 705
Colorectal cancer	1980–2010	1 048	1991–2011	76
Ovarian cancer	1976–2010	486	1989–2011	131
Melanoma	1976–2004	343	1991–2009	140
Pancreatic cancer	1980–2000	173		0
Renal cancer	1976–2004	163		0
Brain cancer	1976–2000	88		0
Bladder cancer	1980–2000	40		0
Colorectal adenoma	1980–2008	485		0
Non-Hodgkin’s lymphoma	1978–2010	385	1989–2011	84
Benign breast disease	1976–1998	3 826	1989–2011	3 289
Barrett’s esophagus	2000–2004	329		0
Endometrial	1978–2012	475		0
Meningioma	1992–2010	24	1993–2009	40

Note. NHS = Nurses’ Health Study. In NHS II, cancers such as pancreatic cancer and renal cancer are planned for the near future.