Table 4. Patients not diagnosed as having peritoneal metastasis using laparotomy (initially diagnosed as having synchronous peritoneal metastasis on CT).

Patient No.	Preoperative chemotherapy	Laparoscopic examination	Final pathology
1	Capecitabine/oxaliplatin 5	None	T3 N2 M0
2	None	None	T3 N0 M0
3	Capecitabine/oxaliplatin 6	None	T2 N3a M0
4	None	None	T1a N0 M0

CT = computed tomography.