RadBudd | Radiotherapy

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Case 23

Image matching simulation

Patient: Saanvi Chopra
Age: 63
Treatment Intent: Radical.
Prescription: 45Gy in 25#s to perirectal, pre-sacral, and internal iliac nodes, with a sequential boost to 50.4Gy to the primary and mesorectum.
Technique: VMAT
Site: Rectum
Diagnosis: cT2N1M0 Rectal Adenocarcinoma
Current Fraction: 11/25
Notes: Saanvi is also having concurrent oral capecitabine. Patient has informed you that she has avoided eating during the weekend due to increased nausea & diarrhea. No relevant information recorded in the imaging sheet.

Info

0 Tolerance: Apply all the shifts to align the image perfectly.
Radical Rectum Shifts Limit: Vrt/Lng/Lat displacement has to be equal or less than ±2.0 cm.
Action: If not within limit: STOP. DO NOT TREAT. Go inside and re-setup patient
Disclaimer ⚠️: Each radiotherapy department sets its own protocols based on equipment, treatment technique, margins & institutional policy. The values used here are for educational purposes only and should not be treated as definitive clinical limits

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