Table 1.
Questionnaire sent to all IMPORT HIGH centres
| Questions | Answers |
|---|---|
|
Volume delineation | |
| Do you use titanium clip markers to guide whole breast radiotherapy planning (placement of whole breast treatment fields) for non trial patients with breast cancer? | i) Yes |
| ii) No | |
| If the answer is yes: | |
| Before joining IMPORT HIGH | |
| a) None | |
| b) <50% of patients | |
| c) ≥50% of patients | |
| d) All patients | |
| After joining IMPORT HIGH | |
| a) None | |
| b) <50% of patients | |
| c) ≥50% of patients | |
| d) All patients | |
| Do you do any target volumes and organs at risk (OAR) contouring on non trial patients with breast cancer? | i) Yes |
| ii) No | |
| If the answer is yes: | |
| Before joining IMPORT HIGH | |
| a) None | |
| b) <50% of patients | |
| c) ≥50% of patients | |
| d) All patients | |
| After joining IMPORT HIGH | |
| a) None | |
| b) <50% of patients | |
| c) ≥50% of patients | |
| d) All patients | |
| How do you do localise post-operative tumour bed for non trial patients with breast cancer in breast boost radiotherapy planning? Please choose all that apply. | Before joining IMPORT HIGH |
| a) Clinical markup | |
| b) CT only | |
| c) CT with implanted markers | |
| d) Others. Please specify | |
| After joining IMPORT HIGH | |
| a) Clinical markup | |
| b) CT only | |
| c) CT with implanted markers | |
| d) Others. Please specify | |
| Radiotherapy planning and treatment delivery | |
| Do you use inverse planned or forward planned IMRT in IMPORT HIGH trial? | i) Forward planned IMRT |
| ii) Inverse planned IMRT | |
| For inverse planned IMRT centres, do you offer IMRT (either forward planned or inverse planned) to non trial patients with breast cancer? If yes, please specify the reasons. | If the answer is inverse planned IMRT: |
| Before joining IMPORT HIGH | |
| a) None | |
| b) <50% of patients | |
| c) ≥50% of patients | |
| d) All patients | |
| After joining IMPORT HIGH | |
| a) None | |
| b) <50% of patients | |
| c) ≥50% of patients | |
| d) All patients | |
| Do you use the IMPORT HIGH trial protocol for target volume and OAR dose constraints when you use IMRT for non-trial patients with breast cancer? | i) Yes |
| ii) No | |
| How is breast boost radiotherapy delivered for non trial patients with breast cancer at your centre? | a) Single electron field |
| b) 3DCRT/IMRT photon treatment | |
| If answer is 3DCRT/IMRT, did you implement this after joining IMPORT HIGH? | |
| i) Yes | |
| ii) No | |
| Treatment verification | |
| How do you perform treatment verification for non trial patients with breast cancer at your centre? | a) Single MV/KV planar image at the tangential beam angles |
| b) 2D MV/KV image pairs | |
| c) 3D MV/KV volumetric CT | |
| d) Others. Please specify | |
| What information do you use for breast radiotherapy verification for non trial patients with breast cancer at your centre? Please choose all that apply. | a) Lung and heart depth measurement |
| b) Breast tissue/bony anatomy matching | |
| c) Surgical clips/seeds matching | |
| d) 3D volumetric tumour bed matching | |
| Have you ever used implanted markers information to guide breast radiotherapy verification before joining IMPORT HIGH? | i) Yes |
| ii) No | |
| Do you use implanted markers information to guide breast radiotherapy verification for non trial patients with breast cancer after joining IMPORT HIGH? | i) Yes |
| ii) No | |
3DCRT, three-dimensional conformal radiotherapy; IMRT, intensity-modulated radiotherapy; OAR, organs at risk.