| 2018 | Chest wall recurrence in pT1-2N0-1 breast cancer patients after mastectomy without radiotherapy | 김규보 | Article |
| 2019 | Comparison of breast conserving surgery followed by radiation therapy with mastectomy alone for pathologic N1 breast cancer patients in the era of anthracycline plus taxane-based chemotherapy: A multicenter retrospective study (KROG 1418) | 김규보 | Article |
| 2018 | Comparison of failure patterns between tubular breast carcinoma and invasive ductal carcinoma (KROG 14–25) | 김규보; 조원경 | Article |
| 2023 | Comparison of initial and sequential salvage brain-directed treatment in patients with 1–4 vs. 5–10 brain metastases from breast cancer (KROG 16–12) | 김규보; 정원근 | Article |
| 2022 | Effect of Elective Internal Mammary Node Irradiation on Disease-Free Survival in Women with Node-Positive Breast Cancer: A Randomized Phase 3 Clinical Trial | 김규보 | Article |
| 2022 | Effect of Postoperative Radiotherapy after Primary Tumor Resection in de Novo Stage IV Breast Cancer: A Multicenter Retrospective Study (KROG 19-02) | 김규보 | Article |
| 2018 | Effects of trastuzumab on locoregional recurrence in human epidermal growth factor receptor 2-overexpressing breast cancer patients treated with chemotherapy and radiotherapy | 김규보 | Article |
| 2021 | Impact of radiation dose on complications among women with breast cancer who underwent breast reconstruction and post-mastectomy radiotherapy: A multi-institutional validation study | 김규보 | Article |
| 2014 | Influence of boost radiotherapy in patients with ductal carcinoma in situ breast cancer: A multicenter, retrospective study in Korea (KROG 11-04) | 이지혜 | Article |
| 2021 | Inter-institutional variation in intensity-modulated radiotherapy for breast cancer in Korea (KROG 19-01) | 김규보 | Article |
| 2022 | Near-maximum rib dose is the most relevant risk factor for ipsilateral spontaneous rib fracture: a dosimetric analysis of breast cancer patients after radiotherapy | 김규보 | Article |
| 2022 | No axillary surgical treatment for lymph node-negative patients after ultra-sonography [NAUTILUS]: protocol of a prospective randomized clinical trial | 임우성 | Article |
| 2017 | Possible benefits from post-mastectomy radiotherapy in nodenegative breast cancer patients: A multicenter analysis in Korea (KROG 14-22) | 김규보 | Article |
| 2022 | Postmastectomy Radiation Therapy for Node-Negative Breast Cancer of 5 cm or Larger Tumors: A Multicenter Retrospective Analysis (KROG 20-03) | 김규보; 정원근 | Article |
| 2017 | Postmastectomy radiotherapy in patients with pT1-2N1 breast cancer treated with taxane-based chemotherapy: A retrospective multicenter analysis (KROG 1418) | 김규보; 박경란 | Article |
| 2017 | Prognostic impact of elective supraclavicular nodal irradiation for patients with N1 breast cancer after lumpectomy and anthracycline plus taxane-based chemotherapy (KROG 1418): A multicenter case-controlled study | 김규보; 박경란 | Article |
| 2019 | Risk factors for recurrence of malignant phyllodes tumors of the breast | 김규보 | Article |
| 2022 | Validation of a nomogram for predicting the risk of lymphedema following contemporary treatment for breast cancer: a large multi-institutional study (KROG 20-05) | 김규보 | Article |
