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Table 1 Epidemiologic data and JSRV immunohistochemistry results for lung cancer patients seen at MD Anderson and Fred Hutchinson Cancer Centers

From: Evidence against a role for jaagsiekte sheep retrovirus in human lung cancer

  1. Lung cancer samples obtained at the MD Anderson Cancer Center (BAC-1 to 53 and LCA-1 to 50) were collected between January 1986 and December 2004, and those at the Fred Hutchinson Cancer Research Center (BAC-54 to 63 and LCA-51 to 55) were collected between October 1994 and February 1999. Ethnicity: W White, B Black, H Hispanic; Pack years, number of packs of cigarettes smoked per day × number of years the person has smoked, neg negative, pos positive. Never smoker status and positive JSRV MA (Gag) staining are highlighted in bolditalic. Absence of an entry in the results columns indicate the test was not performed