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Request from Chuck Mayo #134

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Sep 30, 2024
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Request from Chuck Mayo #134

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4 changes: 3 additions & 1 deletion input/pagecontent/StructureDefinition-codexrt-radiotherapy-course-summary-intro.md
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This profile is used to capture a course of radiotherapy delivered to a patient. An overview of radiotherapy courses, phases, and treatment plans is shown [here](overview.html#codex-rt-resource-profiles). A course of therapy systematically addresses a condition or set of related conditions. The course can include multiple sessions, can be divided into multiple phases, and can last for several months. A course of treatment has a distinct beginning and end. While the Radiotherapy Course Summary can be incrementally updated as the treatment progresses, the primary purpose is to summarize the entire course of treatment from beginning to end. The status element indicates whether the treatment is in progress or complete. The relationships between the various radiotherapy profiles are shown [here](overview.html#relationships-between-profiles).

Course and Phase definitions follow the recommendations of the American Association of Physicists in Medicine (AAPM) Operational Ontology for Oncology ([O3](https://pubmed.ncbi.nlm.nih.gov/37244628/)).

### Conformance

Procedure resources whose code is SNOMEDCT `1217123003` (Radiotherapy course of treatment (regime/therapy)) MUST conform to this profile. Any resource intended to conform to this profile SHOULD populate `meta.profile` accordingly.

{% include markdown-link-references.md %}
{% include markdown-link-references.md %}
2 changes: 2 additions & 0 deletions input/pagecontent/overview.md
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Expand Up @@ -7,6 +7,8 @@ On a more detailed level, *treatment plans* define how the radiotherapy treatmen

Note that in radiotherapy, a *treatment plan* represents a concrete set of treatment delivery instructions prepared for a specific patient anatomy and machine ([Radiotherapy Glossary]({{site.data.fhir.ver.fhirmcode}}/glossary.html)). The concept of a radiotherapy *treatment plan* includes the lowest level of machine instructions to control a treatment device. However, these details are not modelled in the FHIR representation of a radiotherapy treatment plan. Instead, the respective ServiceRequest (Radiotherapy Treatment Plan) includes an extension to reference the DICOM artifacts that define the machine geometry and motion during treatment. The Procedure that records the delivered treatment (Radiotherapy Treated Plan), references DICOM treatment records that contain all machine details.

In this IG, Course and Phase definitions follow the recommendations of the American Association of Physicists in Medicine (AAPM) Operational Ontology for Oncology ([O3](https://pubmed.ncbi.nlm.nih.gov/37244628/)).

The relationship between a course, phases, and treatment plans is exemplified in the following diagram.

<img src="BreastTreatmentSummary.svg" alt="RT Summary Example" width="900px" style="float:none; margin: 0px 0px 0px 0px;" />
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