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. 2020 Aug 3;25(12):e13443. doi: 10.1634/theoncologist.2020-0643
Number of Patients, Male 24
Number of Patients, Female 20
TNM Stage
IIIA 3 (6.8%)
IIIB 2 (4.5%)
IVA 14 (31.8%)
IVB 25 (56.8%)
TNM classification (Union for International Cancer Control 7th edition).
Age Median (range): 69 years (33–82 years)
Number of Prior Systemic Therapies Median (range): 3 (1–5)
Performance Status: ECOG

0 — 25

1 — 19

2 —

3 —

Unknown —

Detailed Patient Characteristics
Age, years
 <65 8 (18.2%)
 ≥65 36 (81.8%)
Body mass index
 <25 38 (86.4%)
 ≥25 6 (13.6%)
RAS status
 Wild‐type 25 (56.8%)
 Mutant 19 (43.2%)
Prior therapy: Yes 44 (100%)
Fluoropyrimidine 44 (100%)
Oxaliplatin 44 (100%)
Irinotecan 44 (100%)
Anti‐VEGF inhibitor 44 (100%)
Anti‐EGFR antibody 25 (56.8%)
Regorafenib 9 (20.5%)
Prior number of regimens
 1 1 (2.3%)
 2 18 (40.9%)
 3 13 (29.5%)
 ≥4 12 (27.3%)
Diagnosis
 Colon 27 (61.4%)
 Rectum 17 (38.6%)
Primary tumor locationa
 Left‐sided 31 (70.5%)
 Right‐sided 13 (29.5%)
Cancer Types or Histologic Subtypes Well‐differentiated tubular adenocarcinoma (tub1), 16; moderately differentiated tubular adenocarcinoma (tub2), 26; other, 2
Abbreviations: EGFR, epidermal growth factor receptor; VEGF, vascular endothelial growth factor.
aRight‐sided was defined as cancer that is located in the cecum, ascending colon, or transverse colon, and left‐sided as cancer located in the descending colon, sigmoid colon, or rectum.