2023 National Clinical Database Annual Report by the Japan Surgical Society

Surgery TodayTable 10 Breast surgery (total; 230,165 cases) Procedure Case Sentinel lymph node biopsy for breast malignancy 64,313 Breast malignancy surgery: Mastectomy without axillary lymph node dissection 42,198 Breast malignancy surgery: Partial mastectomy without axillary lymph node dissection 39,411 Breast malignancy surgery: Mastectomy with axillary and infraclavicular lymph node dissection (without pectoral muscle resection) 18,767 Breast tissue biopsy by core needle biopsy 17,425 Image-guided vacuum-assisted breast biopsy 12,837 Breast tumor excision: Lesion < 5 cm (benign breast lesion) 5551 Lymph node excision: Lesion < 3 cm 5434 Breast malignancy surgery: Partial mastectomy with axillary lymph node dissection 5200 Axillary lymph node dissection 3094 Lymph node excision: Lesion 3 cm 2781 Breast tumor excision: Lesion 5 cm (benign breast lesion) 2661 Nipple-sparing mastectomy 1845 Immediate breast reconstruction after mastectomy (using implant) 1696 Skin-sparing mastectomy 1384 Breast malignancy surgery: Mastectomy with axillary and infraclavicular lymph node dissection (with pectoral muscle resection) 843 Mastectomy for benign breast lesion 786 Immediate breast reconstruction after mastectomy (using autologous tissue) 717 Breast abscess drainage 654 Delayed breast reconstruction (using implant) 547 Ductal lobular segmentectomy 496 Lymph node biopsy by core needle biopsy 389 Breast tissue biopsy by incisional biopsy (Incisional biopsy of breast tissue) 353 Breast malignancy surgery (RFA) 296 Supraclavicular and infraclavicular lymph node dissection 137 Excision of breast foreign body 80 Nipple reconstruction (for inverted nipple) 62 Nipple reconstruction (for reconstructed breast) 61 Radical surgery for subareolar abscess 54 Delayed breast reconstruction (using autologous tissue) 34 Breast malignancy surgery: Extended mastectomy with internal mammary, supraclavicular, and infraclavicular lymph node dissection 33 Parasternal lymph node dissection 26 Total 230,