Seeded from The Cancer Imaging Archive collection 4D-Lung, licensed CC BY 3.0. Prescription is a standard peripheral lung SABR regimen (54 Gy in 3 fractions, RTOG 0618 / AAPM TG-101 range) chosen for this challenge. It is not the treatment the patient received. Contoured structures: Trachea_c20, RLung_c20, LN_c20, LLung_c20, MarkerA_c20, MarkerB_c20, MarkerC_c20, Tumor_c20, Cord_c20, Esophagus_c20, Heart_c20, Carina_c20.
Anatomy
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Leaderboard
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Scoring criteria
80 pointsTarget
| Metric | Minimum | Ideal | Points |
|---|---|---|---|
| PTV V100% | ≥ 90 | ≥ 95 | 12 |
| PTV D95 | ≥ 95 | ≥ 100 | 8 |
| PTV Dmax | ≤ 140 | ≤ 125 | 5 |
Organs at risk
| Metric | Minimum | Ideal | Points |
|---|---|---|---|
| Lungs V20Gy | ≤ 15 | ≤ 8 | 12 |
| Lungs mean | ≤ 8 | ≤ 4 | 8 |
| SpinalCord D0.03cc | ≤ 18 | ≤ 12 | 10 |
| Esophagus D0.03cc | ≤ 27 | ≤ 20 | 6 |
| Heart D0.03cc | ≤ 30 | ≤ 22 | 6 |
Plan quality
| Metric | Minimum | Ideal | Points |
|---|---|---|---|
| CI | ≤ 1.4 | ≤ 1.05 | 5 |
| GI | ≤ 6 | ≤ 3.5 | 5 |
| HI | ≤ 0.45 | ≤ 0.2 | 3 |
Hard constraints
Breaching any of these removes the plan from the ranking, whatever it scored.
- PTV V54Gy < 85%
- SpinalCord D0.03cc > 20 Gy