Clark MA, Fisher C, Judson I, Thomas JM (2005) Soft-tissue sarcomas in adults. N Engl J Med 353:701–711

Article  CAS  PubMed  Google Scholar 

Almond LM, Gronchi A, Strauss D et al (2018) Neoadjuvant and adjuvant strategies in retroperitoneal sarcoma. Eur J Surg Oncol 44:571–579

Article  PubMed  Google Scholar 

NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) Soft Tissue Sarcoma. https://www.nccn.org/professionals/physician_gls/pdf/sarcoma.pdf. Accessed Nov 2023

Serizawa I, Kagei K, Kamada T et al (2009) Carbon ion radiotherapy for unresectable retroperitoneal sarcomas. Int J Radiat Oncol Biol Phys 75:1105–1110

Article  CAS  PubMed  Google Scholar 

Imai R, Kamada T, Araki N, Working Group for Carbon Ion Radiotherapy for Bone and Soft Tissue Sarcomas (2018) Carbon ion radiotherapy for unresectable localized axial soft tissue sarcoma. Cancer Med 7:4308–4314

Article  CAS  PubMed  PubMed Central  Google Scholar 

Demizu Y, Fujii O, Terashima K et al (2014) Particle therapy for mucosal melanoma of the head and neck. A single-institution retrospective comparison of proton and carbon ion therapy. Strahlenther Onkol 190:186–191

Article  CAS  PubMed  Google Scholar 

Aibe N, Demizu Y, Sulaiman NS et al (2018) Outcomes of patients with primary sacral chordoma treated with definitive proton beam therapy. Int J Radiat Oncol Biol Phys 100:972–979

Article  PubMed  Google Scholar 

Sassa N, Yokoyama Y, Nishida Y et al (2020) Clinical characteristics and surgical outcomes of retroperitoneal tumors: a comprehensive data collection from multiple departments. Int J Clin Oncol 25:929–936

Article  PubMed  Google Scholar 

Toshito T, Omachi C, Kibe Y et al (2016) A proton therapy system in Nagoya proton therapy center. Australas Phys Eng Sci Med 39:645–654

Article  PubMed  Google Scholar 

Nakajima K, Iwata H, Hattori Y et al (2021) Spot scanning proton therapy for sinonasal malignant tumors. Int J Part Ther 8:189–199

Article  PubMed  PubMed Central  Google Scholar 

Iwata H, Toshito T, Hayashi K et al (2019) Proton therapy for non-squamous cell carcinoma of the head and neck: planning comparison and toxicity. J Radiat Res 60:612–621

Article  CAS  PubMed  PubMed Central  Google Scholar 

Kepka L, DeLaney TF, Suit HD, Goldberg SI (2005) Results of radiation therapy for unresected soft-tissue sarcomas. Int J Radiat Oncol Biol Phys 63:852–859

Article  PubMed  Google Scholar 

Haas RL, Floot BGJ, Scholten AN et al (2021) Cellular radiosensitivity of soft tissue sarcoma. Radiat Res 196:23–30

Article  CAS  PubMed  Google Scholar 

Kamada T, Tsujii H, Tsuji H et al (2002) Efficacy and safety of carbon ion radiotherapy in bone and soft tissue sarcomas. J Clin Oncol 20:4466–4471

Article  CAS  PubMed  Google Scholar 

Cuccia F, Fiore MR, Barcellini A et al (2020) Outcome and toxicity of carbon ion radiotherapy for axial bone and soft tissue sarcomas. Anticancer Res 40:2853–2859

Article  CAS  PubMed  Google Scholar 

DeLaney TF, Chen Y-L, Baldini EH et al (2017) Phase 1 trial of preoperative image guided intensity modulated proton radiation therapy with simultaneously integrated boost to the high risk margin for retroperitoneal sarcomas. Adv Radiat Oncol 2:85–93

Article  PubMed  PubMed Central  Google Scholar 

Catton CN, O’Sullivan B, Kotwall C et al (1994) Outcome and prognosis in retroperitoneal soft tissue sarcoma. Int J Radiat Oncol Biol Phys 29:1005–1010

Article  CAS  PubMed  Google Scholar 

Nakashima Y, Yokoyama Y, Ogawa H et al (2023) Which modality is better to diagnose high-grade transformation in retroperitoneal liposarcoma? Comparison of computed tomography, positron emission tomography, and magnetic resonance imaging. Int J Clin Oncol 28:482–490

Article  CAS  PubMed  Google Scholar 

Mohan R, Das IJ, Ling CC (2017) Empowering intensity modulated proton therapy through physics and technology: an overview. Int J Radiat Oncol Biol Phys 99:304–316

Article  PubMed  PubMed Central  Google Scholar 

Komatsu S, Demizu Y, Sulaiman NS et al (2020) Space-making particle therapy for sarcomas derived from the abdominopelvic region. Radiother Oncol 146:194–199

Article  CAS  PubMed  Google Scholar 

Sasaki R, Demizu Y, Yamashita T et al (2019) First-in-human phase 1 study of a nonwoven fabric bioabsorbable spacer for particle therapy: space-making particle therapy (SMPT). Adv Radiat Oncol 4:729–737

Article  PubMed  PubMed Central  Google Scholar