Your one-stop resource for stereotactic radiotherapy and radiosurgery.

Everything you need to plan, learn and teach SBRT and SRS in one place — dose constraints, contouring references and plan-check checklists, each traceable to the protocol it came from.

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What’s inside

Dose constraints

Organ-at-risk limits by site and fractionation, each line carrying its source protocol and year. Nothing unattributed.

Contouring references

Consensus atlases and target-definition summaries, condensed into what you actually need at the workstation.

Plan-check checklists

The systematic pass before you approve — coverage, conformity, gradient index, motion management, image guidance.

Three inputs. One documented output.

Step 1

Choose the site.

Lung, liver, spine, pancreas, prostate, adrenal, kidney, oligometastatic bone.

Step 2

Enter the prescription.

Dose and number of fractions.

Step 3

Get the checklist.

Constraints for that exact fractionation, a plan-quality checklist, and a PDF you can file with the plan.

No login needed to view. Email required to download.

Every number has an address.

Constraints are drawn from AAPM TG-101, the UK SABR Consortium guidelines, HyTEC reports, and published NRG and RTOG protocols. Each entry shows its source and version. Where protocols disagree, both are shown rather than one being chosen for you.

New constraint sets and contouring notes, when they’re published.

Roughly one email a month. No course promotions until there is a course.


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    Built by a practising radiation oncologists.

    SBRT Academy is written and maintained by a team of Radiation Oncologists, Physicists and Technologists.

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