Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website https://www.jocmr.org

Original Article

Volume 12, Number 9, September 2020, pages 560-567


The Clinical Benefit of Adjuvant Therapy in Long-Term Survival of Early-Stage Ampullary Carcinoma: A Single Institutional Experience

Figures

Figure 1.
Figure 1. Overall survival (a) and progression-free survival (b) of study cohort.
Figure 2.
Figure 2. Overall survival (a) and progression-free survival (b) of stages 1 and 2 patients: surgery alone versus surgery plus adjuvant treatment.
Figure 3.
Figure 3. Overall survival (a) and progression-free survival (b) of patients in stages 1 and 2: surgery plus chemotherapy versus surgery plus chemotherapy plus radiation.

Tables

Table 1. Demographical and Oncological Characteristics of Patients
 
CharacteristicsMedian (SD) or N (%) (N = 63)
SD: standard deviation; AA: Asian Americans.
Age61.0 (10.8)
Gender (women)32 (50.8%)
Race
  White52 (82.5%)
  AA8 (12.5%)
  Asian3 (5%)
Smoking (yes)27 (43%)
Alcohol (yes)11 (17%)
History of pancreatitis (yes)7 (11.1%)
Diabetes15 (23.8%)
Albumin
  < 22 (3%)
  2 - 3.529 (46%)
  > 3.528 (45%)
  Not available4 (6%)
CA19230.9 (438.8)
T stage
  Tis1 (1.6%)
  T143 (68.3%)
  T212 (19.1%)
  T33 (4.8%)
  Tx4 (6.4%)
N stage
  N042 (67%)
  N120 (31.4%)
  Unavailable1 (1.6%)
M stage
  M062 (98.4%)
  M11 (1.6%)
Final clinical stage
  141 (65.1%)
  222 (34.9%)
Biliary stent (pre-operative)40 (63.5%)
Type of surgery
  Partial pancreatectomy60 (95.2%)
  Total pancreatectomy1 (1.6%)
  Ampullectomy2 (3.2%)
Gross morphology
  Tumor56 (88.9%)
  Ulcer6 (9.5%)
  Undefined1 (1.6%)
Tumor histology
  Ductal adenocarcinoma2 (3.2%)
  Signet-ring cell carcinoma2 (3.2%)
  Adenocarcinoma (not otherwise specified)57 (93.6%)
Margin status
  Involved3 (4.8%)
  Uninvolved58 (92%)
  N/A2 (3.2%)
Lymphovascular invasion (yes)15 (23.8%)
Peri-neural invasion (yes)10 (15.9%)
Peri-pancreatic soft tissue extension (yes)12 (19.1%)
Peri-nodal extension (yes)33 (52.4%)
Treatment modality
  Adjuvant chemotherapy25 (39%)
  Adjuvant chemotherapy + radiation13 (22%)
  No adjuvant therapy25 (39%)
  Post-operative therapy for advanced stage5 (7%)
  Unknown management13 (21%)

 

Table 2. Univariate Analyses of Overall Survival and Progression-Free Survival
 
CharacteristicsOverall survivalProgression-free survival
Hazard ratio (95% CI)PHazard ratio (95% CI)P
CI: confidence interval; PPE: peri-pancreatic extension; LN: lymph node; PNE: peri-nodal extension; PNI: peri-neural invasion; P stage: pathological stage; LVI: lymphovascular invasion; AA: Asian Americans.
Age1.00 (0.96 - 1.03)0.82511.00 (0.97 - 1.04)0.796
Gender (men vs. women)0.88 (0.43 - 1.80)0.72011.38 (0.70 - 2.73)0.3577
Race (AA vs. non-AA)1.11 (0.39 - 3.18)0.85020.83 (0.29 - 2.36)0.7286
Smoking (no vs. yes)0.90 (0.45 - 1.80)0.75491.26 (0.65 - 2.45)0.4591
Diabetes0.65 (0.28 - 1.51)0.31730.79 (0.37 - 1.66)0.5325
Albumin (> 3.5 vs. < 3.5)1.34 (0.65 - 2.79)0.42891.32 (0.66 - 2.61)0.4344
LVI (yes vs. no)1.40 (0.57 - 3.44)0.52471.86 (0.83 - 4.16)0.1301
LN metastasis (+ vs. -)2.23 (1.08 - 4.60)0.03052.94 (1.45 - 5.96)0.0027
PNI (yes vs. no)0.69 (0.24 - 1.99)0.49650.71 (0.27 - 1.83)0.474
Grade (vs. G1)1.30 (0.44 - 3.83)0.63681.24 (0.47 - 3.28)0.6703
PPE (yes vs. no)3.89 (1.73 - 8.71)0.0014.36 (1.93 - 9.87)0.0004
PNE (yes vs. no)2.58 (1.25 - 5.31)0.01053.79 (1.84 - 7.79)0.0003
P stage (> 2 vs. ≤ 2)2.91 (1.10 - 7.71)0.03143.71 (1.44 - 9.54)0.0065