What do systematic reviews say?

Concomitant (concurrent) chemoradiotherapy vs chemoradiotherapy plus surgery

• Chemoradiotherapy versus chemoradiotherapy plus surgery for esophageal cancer 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 165 participants
  Very low

Radiotherapy vs control

• Radiotherapy for neovascular age‐related macular degeneration 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Laminectomy plus radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Interventions for the treatment of metastatic extradural spinal cord compression in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hypofractionated radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Radiotherapy for diffuse brainstem glioma in children and young adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hyperfractionated radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Radiotherapy for diffuse brainstem glioma in children and young adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Radiotherapy vs botulinum toxin

The review found no eligible studies for this question.

• Treatment for sialorrhea (excessive saliva) in people with motor neuron disease/amyotrophic lateral sclerosis 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hysterectomy (simple or radical) with radiotherapy vs Radiotherapy alone

The review found no eligible studies for this question.

• Hysterectomy with radiotherapy or chemotherapy or both for women with locally advanced cervical cancer 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hysterectomy (simple or radical) with chemoradiotherapy vs chemoradiotherapy alone

The review found no eligible studies for this question.

• Hysterectomy with radiotherapy or chemotherapy or both for women with locally advanced cervical cancer 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hysterectomy (simple or radical) with chemoradiotherapy vs internal radiotherapy (brachytherapy) with chemoradiotherapy

The review found no eligible studies for this question.

• Hysterectomy with radiotherapy or chemotherapy or both for women with locally advanced cervical cancer 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy

• External beam radiation dose escalation for high grade glioma 2020 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 361 participants
  GRADE not reported

Single‐fraction radiotherapy (8 Gy) vs short‐course radiotherapy (16 Gy

The review found no eligible studies for this question.

• Interventions for the treatment of metastatic extradural spinal cord compression in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Decompressive surgery plus radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Interventions for the treatment of metastatic extradural spinal cord compression in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Preoperative radiotherapy vs surgery

• Preoperative radiotherapy and curative surgery for the management of localised rectal carcinoma 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 3211 participants
  Low

Daily conventionally fractionated radiotherapy vs supportive care

• External beam radiation dose escalation for high grade glioma 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 81 participants
  GRADE not reported

Split‐course radiotherapy (8 fractions, 30 Gy) vs short‐course radiotherapy (16 Gy

The review found no eligible studies for this question.

• Interventions for the treatment of metastatic extradural spinal cord compression in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Radiotherapy combined with anti‐VEGF vs anti‐VEGF alone

The review found no eligible studies for this question.

• Radiotherapy for neovascular age‐related macular degeneration 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery plus WBRT

• Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 14 participants
  Very low

Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery

• Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 1 participants
  Very low

Summary of findings table ‐ Postmastectomy radiotherapy (PMRT) vs no PMRT

• Post‐mastectomy radiotherapy for women with early breast cancer and one to three positive lymph nodes 2023 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

External beam radiotherapy (EBRT) plus transarterial chemoembolisation (TACE) vs TACE alone

The review found no eligible studies for this question.

• External beam radiotherapy for unresectable hepatocellular carcinoma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found