| abstract |
(57) [Summary]nThe present invention provides a method of identifying premalignant or malignant breast cancer, a method of detecting lymph node involvement in a patient diagnosed with having a premalignant or malignant breast cancer growth, and treating premalignant or malignant breast cancer Provide a way. In the diagnostic method, the target molecule is administered into the milk duct either by acting alone as an agent for identification or by binding the agent to the agent for identification. Therapeutic methods include administration of the targeting molecule conjugated to the therapeutic agent into the duct, or administration of the target molecule, which itself has a therapeutic effect. |