preferred_name: Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy
preferred_name_lc: clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy
label: Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy
label_lc: clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy