--- a
+++ b/datasets/txt/topics2023/17.txt
@@ -0,0 +1 @@
+The patient's definitive diagnosis is stage III breast cancer. HER2 status is negative, while hormone receptor status is ER+ and PR-. The patient has undergone neoadjuvant chemotherapy and prior stereotactic radiotherapy. A prior mastectomy has been performed. Surgery-related therapy included neoadjuvant chemotherapy. The patient's performance status is ECOG 2.