U.S., March 25 -- ClinicalTrials.gov registry received information related to the study (NCT06891651) titled '21-gene in Elder Breast Cancer Patients with Lymph Node Metastasis' on Feb. 21.
Brief Summary: This study is a single-center, bidirectional cohort study. It aims to include 35 elderly (>=65 years old) Luminal A type breast cancer patients with axillary lymph node metastasis after surgery as the research subjects. After signing the informed consent, the patients who meet the inclusion criteria will have their various clinical and pathological data collected (preoperative imaging examinations, clinical and pathological information of the patients, basic disease conditions and medication strategies, surgical records, postoperative pla...