Mammapuncture reveals a large amount of Ca Poorly differentiated indicates that the cancer cells in breast cancer are more malignant, and that it develops at a rapid rate and is prone to recurrence and metastasis. Ca refers to cancer, and poorly differentiated cancer is the developmental state used to form tumors. If a patient’s breast puncture reveals a large amount of poorly differentiated Ca, it mostly suggests that the cancer cells of breast cancer have a low degree of differentiation, a high degree of malignancy, and rapid development of cancer cells, which are difficult to be completely killed by drugs and have a higher chance of recurrence and metastasis compared to other patients with breast cancer. Therefore, once diagnosed with breast cancer, patients should actively cooperate with doctors to take treatment measures. Surgery such as modified radical mastectomy, radiotherapy, chemotherapy (e.g. doxorubicin, epirubicin) and other comprehensive measures are generally adopted for treatment. During the treatment period, breast cancer patients also need to follow the doctor’s instructions for regular checkups in order to understand the recovery of the disease.