“…CATS is commonly found in patients over the age of 45 years. It is usually detected in the early stages and is characterized by a lack of hormone receptors [ 4 , 7 , 8 ]. Compared to upper outer quadrant (UOQ) breast cancer, CATS has a higher grade, a higher rate of negative hormone receptors, and a greater tendency to spread to the lymph nodes, leading to a poorer prognosis [ 9 ].…”