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Co-registering CT with MRI (superior soft tissue contrast) or PET (functional/metabolic data) to better define GTVs. ⚠️ Challenges in CT Contouring CT Anatomy for Radiotherapy
Captures breathing motion to map moving tumors (e.g., in the lung or liver). This is for informational purposes only
Liver, kidneys, stomach, bowel loops, bladder, and rectum. in the lung or liver). Liver
Requires precise contouring to avoid treatment-induced toxicities. 🗺️ Site-Specific CT Anatomy 🧠 Central Nervous System (Brain & Spine)
Femoral heads, iliac crests, and symphysis pubis.