From: Impact of preoperative risk factors on outcome after gastrectomy
Characteristics | Number of patients | Percentage |
---|---|---|
Preoperative tumor findings | ||
Mean age | 64 (24–91) years old | |
Gender | ||
Male | 96 | 69.1% |
Female | 43 | 30.9% |
Localization | ||
Cardia | 38 | 27.3% |
Corpus | 55 | 39.2% |
Fundus | 3 | 2.2% |
Antrum/pylorus | 43 | 30.9% |
Histology | ||
Adenocarcinoma | 138 | 99.3% |
Adenosquamous carcinoma | 1 | 0.7% |
Laurén-classification | ||
Intestinal | 54 | 38.8% |
Diffuse | 58 | 41.7% |
Mixed | 12 | 8.6% |
Tumor stage | ||
uT1 | 16 | 11.5% |
uT2 | 38 | 27.3% |
uT3 | 72 | 51.8% |
uT4 | 9 | 6.5% |
Nodal stage | ||
uN positive | 69 | 49.6% |
uN negative | 69 | 49.6% |
Metastasis | ||
M0 | 126 | 90.6% |
M1 | 11 | 7.9% |
Mx | 2 | 1.4% |
Mean tumor size | 3 (0.2–30) cm | |
Neoadjuvant therapy | ||
Yes | 57 | 41% |
No | 82 | 59% |
Treatment | ||
Response to neoadjuvant therapy (n = 57) | ||
Clinical response (yes) | 43 | 75.4% |
Clinical response (no) | 14 | 24.6% |
Pathologic response (yes) | 31 | 54% |
Pathologic response (no) | 26 | 45.6% |
Intention | ||
Curative | 120 | 86.3% |
Palliative | 19 | 13.7% |
Timing | ||
Elective | 138 | 99.3% |
Emergency | 1 | 0.7% |
Procedure | ||
Subtotal | 32 | 23% |
Gastrectomy | 82 | 59% |
Extended | 25 | 18% |
Intraoperative blood loss | ||
≤ 100 ml | 41 | 29.5% |
101–500 ml | 66 | 47.5% |
501–1000 ml | 29 | 20.9% |
≥ 1001 ml | 3 | 2.2% |
Anastomosis | ||
Stapler | 96 | 69.1% |
Hand suture | 43 | 30.9% |
Postoperative tumor findings | ||
Tumor stage | ||
(y)pT0 | 6 | 4.3% |
(y)pTis | 1 | 0.7% |
(y)pT1 | 26 | 18.7% |
(y)pT2 | 30 | 21.6% |
(y)pT3 | 47 | 33.8% |
(y)pT4 | 29 | 20.9% |
Nodal stage | ||
N0 | 62 | 44.6% |
N1 | 35 | 25.2% |
N2 | 16 | 11.5% |
N3 | 26 | 18.7% |
Metastasis | ||
M0 | 122 | 87.8% |
M1 | 15 | 10.8% |
Resection margin | ||
R0 | 122 | 87.8% |
R1 | 15 | 10.8% |
R2 | 2 | 1.4% |
Histological grading | ||
G0 | 7 | 5% |
G1 | 4 | 2.9% |
G2 | 25 | 18% |
G3 | 93 | 66.9% |
Lymph nodes removed (mean) | 23 (4–60) | |
Lymph node invasion | ||
L0 | 87 | 62.6% |
L1 | 45 | 32.4% |
Invasion into vein | ||
V0 | 113 | 81.3% |
V1 | 19 | 13.7% |
Median hospital stay (range) | 14 (1–120) days | |
In-hospital mortality | 4 | 2.9% |
Survival rate | 5.6 years | |
Recurrence (n = 120) | ||
Yes | 41 | 36.9% |
No | 69 | 62.2% |
Recurrence-free survival | 3.4 years |