tokens: We conclude that ( a ) the likelihood of detecting carcinoma or atypical hyperplasia exclusively in the adipose tissue component of grossly benign breast biopsies is extremely low , and ( b ) a possible cost - effective method of sampling grossly benign breast biopsies consists of initially submitting a maximum of 10 blocks of fibrous parenchyma for each case , then examining the remaining tissue histologically only if carcinoma or atypical hyperplasia is found among these blocks .