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Table 1 Location of invasive breast tumors. Data from 137,000 California female beast cancer patients between 1988 and 1999 (Morris & Kwong, 2004). These include stage 1 and higher stages as well as different types of breast cancer

From: Non-randomness of the anatomical distribution of tumors

Upper Outer Upper Inner Lower Outer Lower Inner Nipple, Areola
57% 15% 10% 8% 11%