Neoadjuvant QL1706 in Patients With Hormone Receptor Positive, HER2-negative Breast Cancer

Inclusion Criteria: * Aged ≥18 years * Histologically confirmed hormone receptor positive and human epidermal growth factor receptor 2 (HER2) negative breast cancer * Subjects with at least one evaluable lesion * ECOG 0-1 * Adequate organ function Exclusion Criteria: * Metastatic disease (Stage IV) * Female patients who are pregnancy, lactation or women who are of childbearing potential tested positive in baseline pregnancy test;Female patients of childbearing age that are reluctant to take effective contraceptive measures throughout the trial period