Rectal tumour explorer

A 3D picture to support a conversation with the clinical team. It does not diagnose or recommend treatment.

For the clinical team

Set up from the MRI report

The model starts with normal anatomy and no tumour. Add the details from the patient's scan report, then choose the operation your team has discussed, if any.

Tumour

Tumour on the model

Changing any tumour setting below also adds it.

Lower edge above the anal opening Distance from the anal verge, as measured on MRI or endoscopy.

Length of tumour

Position

How far round

Clock face with the patient lying on their back: 12 is the front, 6 the back, 3 the patient's left.

How deep it has grown (T stage)

Lymph nodes (N stage)

Response to chemoradiotherapy

Anatomy

Pelvis

Tip

Use Show / hide above the model to turn labels, measurements and body parts on or off. Use Snapshot to collect views for a picture sheet to send to the patient.

Drag to turn · scroll or pinch to zoom

In plain words

Key measurements

Measurements appear here once the tumour is added.

Treatment options

Show the operation your team has discussed

This page does not suggest which treatment is right. The clinical team chooses; tap their plan to show what it removes.

Add the tumour first. The operations then appear here for you to show, if your team has discussed one.

Share with the patient

Make a picture sheet to send

Set up each view you want, then press Snapshot above the model. You can add up to 4. If you add none, the current view is used.

Prepared for (optional)

Specialist nurse or key worker (optional)

Note for the patient (optional)

Include the plain-words summary Include key measurements Include the operation shown Include where to get help and information

Names and notes typed here never leave this device and are forgotten when you close the page. Check the sheet before sending, and use your organisation's approved secure route.

For the patient and family

Help and support

Questions to ask, words they may hear, stoma support, and trusted UK charities and NHS information.

Open help and support

The QR code lets the patient open this site on their own phone. Nothing about this appointment goes with it.

Slice through the tumour

Slice height

Seen as if looking up from the feet, like an MRI scan: front at the top, patient's left on the right. The dashed line is the surgical plane.

This is a simplified teaching model. Shapes and sizes are approximate and will differ from any one person. It does not replace the scan or the advice of the colorectal team, who decide treatment together at the multidisciplinary team (MDT) meeting. Margin conventions used: at least 1 mm to the surgical plane (CRM); at least 1 cm below a low tumour with total mesorectal excision; about 5 cm of fatty envelope below an upper rectal tumour. Not a medical device · Nothing is saved.