L.J. Boersma

Stindt, T. D. A., van Maaren, M. C., Offersen, B. V., Siesling, S., van Uden, D. J. P., Poortmans, P. M. P., Boersma, L. J., & Kaidar-Person, O. (2026). Factors associated with local breast cancer recurrence after mastectomy in the Netherlands: a retrospective nationwide cohort study. Breast, 88, Article 104844. https://doi.org/10.1016/j.breast.2026.104844

Naoum, G. E., Taghian, A., Kaidar-Person, O., Meattini, I., Boersma, L., Khan, A., Colwell, A., & Poortmans, P. (2026). Integration of Breast Reconstruction and Radiation: How the Proton–Photon Debate Exposes Methodological Gaps, Analytical Bias, and Lack of Consensus. International Journal of Radiation Oncology Biology Physics, 125(5), 1368-1380. https://doi.org/10.1016/j.ijrobp.2026.02.235

Choi, J., Leeuwenberg, A. M., Meijerink, L. M., Moons, K. G. M., Reitsma, J. J. B., de Vries, B. B. L. P., van Amsterdam, W. A. C., van Loon, J. G. M., Nout, R. A., Langendijk, J. A., Boersma, L. J., & Schuit, E. (2026). Missing confounding information in counterfactual prediction models: a simulation study on model-based treatment effect evaluation in radiotherapy techniques. Radiotherapy and Oncology, 220, Article 111537. https://doi.org/10.1016/j.radonc.2026.111537

Mauritz, A. J. W., de Munck, L., Simons, J. M., Verloop, J., van Dalen, T., Elkhuizen, P. H. M., Scholten, A., Houben, R. M. A., van Leeuwen-Stok, A. E., Linn, S. C., Pijnappel, R. M., Poortmans, P. M. P., Strobbe, L. J. A., Wesseling, J., Voogd, A. C., & Boersma, L. J. (2026). Tailoring radiotherapy in cT1–2N1 breast cancer to nodal response on primary chemotherapy (RAPCHEM: BOOG 2010-03): 10-year follow-up results of a Dutch, prospective, registry study. The Lancet Oncology, 27(7), 808-816. https://doi.org/10.1016/S1470-2045(26)00216-0

Liang, Y., Verhoeven, K., Vilches-Freixas, G., Bosma, S. C. J., Canters, R., Froklage, F. E., Houben, R., Maduro, J. H., Overbosch, J., Penninkhof, J. J., Sattler, M. G. A., Simons, J. M., Sijtsema, N. M., Vliegenthart, R., Crijns, A. P. G., Rivera, S., & Boersma, L. J. (2026). Dosimetric comparison of the shoulder region between paired photon and proton plans in breast cancer patients. Technical Innovations and Patient Support in Radiation Oncology, 38, Article 100393. https://doi.org/10.1016/j.tipsro.2026.100393

Therrien, M. S., Mingels, S. M. B., Fijten, R. R. R., Raphael, D. B., Stam, M., van den Bongard, D., Damman, O. C., & Boersma, L. J. (2026). In their own words: A qualitative study of patient narratives on daily life after breast cancer radiotherapy. PEC Innovation, 8, Article 100468. https://doi.org/10.1016/j.pecinn.2026.100468

Heising, L., Ackermans, T., Boersma, L., Ou, C., Bosmans, G., Swart, R., Dekker, A., & Jacobs, M. (2026). Impact of Proton Therapy Implementation on Processes, Patient Satisfaction, and Technology Use in a Radiation Therapy Department. Advances in Radiation Oncology, 11(4), Article 101988. https://doi.org/10.1016/j.adro.2025.101988

van der Werf, L., Murrer, L., Verhoeven, K., Knarren, D., Kremer, K., Vaassen, F., Boersma, L., & Ollers, M. (2026). Impact of variation in voluntary moderate deep inspiration breath hold on the 3D dose distribution in breast cancer radiotherapy. Technical Innovations and Patient Support in Radiation Oncology, 37, Article 100385. https://doi.org/10.1016/j.tipsro.2026.100385

van der Molen, D. R. M., Batenburg, M. C. T., Van't Westeinde, T., Houweling, A. C., Maarse, W., Verhoeven, K., Strijbos, J., Murrer, L., Siesling, S., Monninkhof, E. M., Verkooijen, H. M., Boersma, L. J., van der Leij, F., & UMBRELLA Study Group (2026). Acute toxicity and quality of life after 5-fraction versus 15-fraction adjuvant radiotherapy following conventional or oncoplastic breast-conserving surgery - a real-world prospective cohort study. Radiotherapy and Oncology, 214, Article 111310. https://doi.org/10.1016/j.radonc.2025.111310

Kuijsters, N., Sinnige, P., Bakker, P. A., Uwini, S. A., Brouwer, C. L., Budiharto, T., Coppes, R. P., Dirkx, M., Franckena, M., Habraken, S., de Jong, M. A. A., Klaver, Y. L. B., Langendijk, J. A., Oele, A., Schimmel, E., Schuit, E., Smeenk, R. J., Unipan, M., Vanneste, B., ... Boersma, L. J. (2026). Development of a National Indication Protocol for Proton Therapy in Patients With Seminoma Testis to Reduce the Risk on Subsequent Primary Cancers. International Journal of Radiation Oncology Biology Physics. Advance online publication. https://doi.org/10.1016/j.ijrobp.2026.02.207