CTH and breast cancer: There were no statistically significant differences between the studied groups in terms of sex (p = 0.51), BMI (p = 0.51), smoking (p = 0.78), family history of BC (p = 0.96), history of other chronic diseases, histological types (p = 0.32), receptor status, tumor size, tumor-node-metastasis (TNM) stage (p = 0.15), CTH regimens, and radiological response (p = 0.72; Table 1).