From: Neoadjuvant letrozole in postmenopausal estrogen and/or progesterone receptor positive breast cancer: A phase IIb/III trial to investigate optimal duration of preoperative endocrine therapy
Clinical stage
Baseline
Individual End
T1a
--
1 (3.1%)
T1b
T1c
7 (21.9%)
T2
23 (71.9%)
19 (59.4%)
T3
5 (15.6%)
T4a
T4b
3 (9.4%)
Missing
4 (12.5%)