Thus, we evaluated the percentage of positivity/negativity for HMGCS2 and FABP7 in 2 sets of breast tissue samples, namely, non-malignant breast tissue dissected from the areas adjacent to tumors (28 patients with various types of breast tumors, Table S1) and 13 benign apocrine microcysts obtained after surgery (Table S2). The gene discussed is HMGCS2; the disease is breast neoplasm.