Comparison Between IORT and Postoperative Radiotherapy in Breast Conserving Surgery

Comparison of Satisfaction With Conserved Breast, Postoperative Complications and Tumor Control Between IORT and Postoperative Radiotherapy in Breast Conserving Surgery

To compare the satisfaction with conserved breast, acute and chronic postoperative complications and tumor control between intraoperative radiotherapy(IORT) and traditional postoperative radiotherapy following breast-conserving surgery (BCS).

Inclusion Criteria:

• Primary invasive breast cancer confirmed by pathology.
• Maximum tumor diameter ≤3.5cm.
• Clinical lymph nodes are negative.
• Single or multiple tumors are located on the same side of the nipple and in the same quadrant.
• ECOG status score ≤ 2.
• With informed Consents.

Exclusion Criteria:

• Previous history of breast cancer or other malignant tumors.
• Inflammatory breast cancer; 3. Previous radiotherapy history.
• Other diseases affecting radiotherapy, such as connective tissue disease, heart disease, lung disease and so on.
• Patients who are not going to have the axillary lymph node surgery (including SLN and ALND) were excluded.