BioMed Research International / 2014 / Article / Tab 3

Clinical Study

A New Surgical Technique of Pancreaticoduodenectomy with Splenic Artery Resection for Ductal Adenocarcinoma of the Pancreatic Head and/or Body Invading Splenic Artery: Impact of the Balance between Surgical Radicality and QOL to Avoid Total Pancreatectomy

Table 3

Comparison of pathological findings of resected specimen between PD and PD-SAR.

PD ( )PD-SAR ( ) value

Tumor size (mm) 0.098
UICC-T1810.869
UICC-T2123
UICC-T33611
UICC-T4103
UICC-stage
 IA/IB/IIA/IIB/III/IV 0.529
JPS-stage
 I/II/III/IVa/IVb 0.435
Histological type
 Well30110.108
 Moderate294
 Poor72
 Other01
Lymph node metastasis
 Positive2740.117
 Negative 3914
Degree of lymphatic invasion*
 ly01750.754
 1–34410
Degree of venous invasion*
 v04290.358
 1–3196
Degree of intrapancreatic nerve invasion*
 ne01741.000
 1–34411
Histological effect of CRT (Evans’ criteria)
 I1030.083
 IIa2210
 IIb213
 III, IV60
Status of surgical margin
 R056140.150
 R192
 R212

UICC: International Union for Cancer Control; JPS: Japan Pancreatic Society; ly: degree of lymphatic invasion; v: degree of venous invasion; ne: degree of intrapancreatic nerve invasion; R0: negative surgical margin; R1: positive microscopic margin; R2: positive gross margin. Excluding 8 cases in which histological assessment could not be determined.