| ((carbon[Title/Abstract]) OR (hadron[Title/Abstract]) OR (hadrons[Title/Abstract]) OR (carbon ion beam[Title/Abstract]) OR (carbon ion[Title/Abstract]) OR (proton[Title/Abstract] OR (protons[Title/Abstract]) OR (proton beam[Title/Abstract]) OR (charged particle[Title/Abstract]) OR (charged particles[Title/Abstract]) OR (particle[Title/Abstract])) | OR | ((SBRT[Title/Abstract]) OR stereotactic[Title/Abstract]) OR stereotaxy[Title/Abstract])) | OR | ((radiation[Title/Abstract]) OR radiotherapy[Title/Abstract]) OR (radiation therapy[Title/Abstract]) OR (reirradiation[Title/Abstract]) OR (irradiation[Title/Abstract]) OR (actinotherapy[Title/Abstract])) |
| AND | ||||
| (rectal[Title/Abstract] OR (rectum[Title/Abstract])) | ||||
| AND | ||||
| ((recurrence[Title/Abstract]) OR (relapse[Title/Abstract]) OR (local recurrence[Title/Abstract]) OR (pelvic recurrence[Title/Abstract]) OR (pelvic relapse[Title/Abstract]) OR (local relapse[Title/Abstract]) OR (locally recurrent[Title/Abstract]) OR (recurrent[Title/Abstract]) OR (pelvis[Title/Abstract]) OR (pelvic[Title/Abstract]) OR (pelvic[Title/Abstract])) | ||||

FIGURE 1.
Process of article selection

FIGURE 2.
Patient selection for particle therapy of locally recurrent rectal cancer.
MDT = metastasis-directed treatment; PS = performance status; reRT = reirradiation; RT = radiation therapy; SBRT = stereotactic body radiation therapy