Table 2.

Pathological characteristics of resected specimens from the respective patients

Sample	Gender	Age (years)	Stage	Location	TNM	Type of specimen	Neoadjuvant (chemo)therapy	History of malignancy	Type of malignancy	Mucine	Pancreatitis in tumor specimen	Dirty necrosis	TLS
ISPIC1	Male	52	IIB	Head	pT1N1M0	PPPD/Whipple	No			+	–	–	+
ISPIC5	Female	49	IIB	Head	pT3N1M0	PPPD/Whipple	No			–	–	+	–
ISPIC12	Male	64	IIB	Tail	pT2N1M0	Lap.distal pancreatectomy	No	Yes	Colon	–	+	–	–
ISPIC17	Male	68	IA	Head	pT1cN0M0	PPPD/Whipple	No			+	+	+	+
ISPIC18	Female	75	IIB	Head	pT1cN2M0	PPPD/Whipple	No			–	–	+	–
ISPIC20	Male	73	IB	Head	pT2N0M0	PPPD/Whipple	No			–	–	–	–
ISPIC21	Female	68	IIB	Tail	pT2N2M0	Open distal pancreatectomy	No			+	–	–	–
ISPIC22	Male	77	IV	Head	pT2N2M1	PPPD/Whipple	No	Yes	Prostate	–	–	–	–
ISPIC23	Male	54	IIB	Head	pT2N2M0	PPPD/Whipple	No			–	–	+	+
ISPIC24	Male	71	IIB	Head	pT2N1M0	PPPD/Whipple	No			–	–	+	–
ISPIC26	Male	54	IIB	Head	pT2N2M0	PPPD/Whipple	No			–	–	+	–

PPPD, pylorus-preserving pancreaticoduodenectomy; TLS, tertiary lymphoid structure; TNM, tumor, node, metastasis.