Patient | Name of disease | Tumor localization | Pre-spacer PTV volume (cc) | Post-spacer PTV volume (cc) | Separation Distancea (cm) | Part of the GI tract most adjacent to the PTV on post-spacer CT |
---|---|---|---|---|---|---|
1 | Liver metastasis (ascending colon cancer) | Right lobe of the liver | 335.3 | 223.8 | 0.24 | Transverse colon |
2 | Hepatocellular carcinoma | Right lobe of the liver | 25.1 | 34.1 | 0.24 | Transverse colon |
3 | Hepatocellular carcinoma | Right lobe of the liver | 723.0 | 807.2 | 2.00 | Transverse colon |
4 | Leiomyoma | Inferior vena cava | 730.2 | 729.3 | 0.72 | Duodenum |
5 | Leiomyoma | Right lobe of the liver | 174.6 | 200.4 | 1.14 | Duodenum |
6 | Local recurrence (sigmoid colon cancer) | Pelvic floor | 37.9 | 42.6 | 8.78 | Sigmoid colon |
7 | Bone metastasis (uterine corpus cancer) | Left acetabular & sacrum | 443.2 | 470.8 | 0.43 | Sigmoid colon |
8 | Local recurrence (rectal cancer) | Pelvic floor | 262.4 | 265.9 | 1.25 | Small bowel |
9 | Lymph node metastasis (cancer of unknown primary) | Left side of the pelvis | 3022.2 | 3575.7 | 1.90 | Small bowel |
10 | Chordoma | Sacrum | 283.7 | 259.8 | 4.04 | Small bowel |