Table 3.

Characteristics of patients with C1M0

Patient	Age and sex	Tumor histology	Tumor stage†	Primary PWC results	Findings	Secondary PWC results	Survival (months)‡
#1	79 ♀	ADC	CT3N2M0	CC: Suspicion of malignancy IHC: Positive for CK7 and EP4	No resection due to infiltration of retroperitoneum and the celiac trunk as local carcinomatosis	C0	14
#2	61 ♀	ADC	CT4N0M0	CC: atypical cells IHC: Not performed due to small amount of cell material	No resection due to retroperitoneal/colonic/mesenteric tumor infiltration	C0	5
#3	64 ♀	ADC	CT2N1M0	CC: groups of malignant cells IHC: not performed	No resection due to multiple cervical-, thoracic-, and sacral metastases detected by bone scintigraphy before planned surgery	Not performed§	7

^†TNM stage evaluated at the primary diagnostic workup. ^‡Survival after verification of disseminated disease. ^§Disseminated disease detected before planned surgery. CC: conventional cytology; IHC: immunohistochemical stains; ADC: adenocarcinoma