{Reference Type}: Journal Article {Title}: Role of proton therapy in reirradiation and in the treatment of sarcomas. {Author}: Doyen J;Aloi D;Groulier A;Vidal M;Lesueur P;Calugaru V;Bondiau PY; {Journal}: Cancer Radiother {Volume}: 25 {Issue}: 6 {Year}: Oct 2021 {Factor}: 1.217 {DOI}: 10.1016/j.canrad.2021.06.024 {Abstract}: Reirradiation and irradiation of sarcoma is often difficult due to the frequent need for a high dose of radiation in order to increase tumor control. This can result in a greater risk of toxicity which can be mitigated with the use of proton therapy. The present review aims to summarize the role of proton therapy in these 2 clinical contexts.