Table 1 Patient backgrounds
Case No | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
Age, years | 45 | 54 | 71 | 67 | 75 |
Sex | Male | Male | Female | Female | Male |
Tumor localization | Jejunum | Jejunum | Jejunum | Jejunum | Jejunum |
Subjective symptoms | Abdominal pain | Abdominal pain, abdominal distension | Abdominal pain | Nausea, vomiting | None |
Diagnostic opportunity | Oral double-balloon endoscopy | Oral double-balloon endoscopy | Contrast-enhanced CT | Contrast-enhanced CT | PET–CT |
Preoperative histological diagnosis | Adenocarcinoma | Adenocarcinoma (tub2) | Adenocarcinoma (por) | Adenocarcinoma (tub2-1) | Adenocarcinoma (tub1-2, por) |
Preoperative CEA, ng/mL (→ post*) | 1.7 | 4.1 | 2.6 | 1.9 | 8.1 → 2.1 |
Preoperative CA19-9, U/mL (→ post*) | 2.1 | < 0.1 | 879.6 → 8.7 | 36.3 → 7.9 | 530.5 → 43.9 |
Clinical Stage (UICC 8th) | cT3, cN2, cM0, cStage IIIB | cT3, cN1, cM0, cStage IIIA | cT3, cN2, cM0, cStage IIIB | cT3, cN1, cM0, cStage IIIA | cT3, cN2, cM0, cStage IIIB |