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Table 1 Occult breast cancers found at autopsy

From: The oestrogen paradox: an hypothesis

Study Number %
1962 Ryan 200 0%
1973 Kramer 70 4.3%
1975 Wellings 67 1.9%
1984 Neilsen 77 14.3%
1985 Alpers 101 8.9%
1985 Bhathal 207 12.1%
1987 Bartow 221 0%
1988 Neilsen 109 14.7%
Total cases 1,052 5% DCIS and 1% IBC
  1. Derived from the reports of Welch and coworkers [22] and Ryan [23]. DCIS, ductal carcinoma in situ; IBC, invasive breast cancer.