Fudan University Shanghai Cancer Center Breast Cancer Precision Platform Series Study- Neoadjuvant Therapy

This study is researching personalized treatment approaches for breast cancer before surgery (called neoadjuvant therapy). By classifying breast cancers into specific subtypes using digital pathology, researchers aim to match each patient to the most effective pre-surgery treatment. **You may be eligible if...** - You are 18–70 years old - You have invasive breast cancer at stage II or III - You are in good physical health - Your cancer subtype (ER, PR, HER2 status) has been tested - Your heart function is normal (ejection fraction at least 55%) - Your blood counts and organ function are within acceptable ranges **You may NOT be eligible if...** - Your cancer has spread to distant organs - You are pregnant or breastfeeding - Your heart function is significantly reduced - You have previously received chemotherapy for this cancer Talk to your doctor to see if this trial is right for you.