Clinical value of 18F-FDG PET/CT in assessing suspicious relapse after rectal cancer resection

Table 1 Frequency of locoregional recurrence and distant metastases

Group	Location of recurrences	Frequency n
Pelvic recurrence group	Pelvic side walls nodes metastases	1
	Perirectal recurrence	1
Pelvic recurrence and extrapelvic metastases group	Perirectal recurrence	6
	Pelvic side walls nodes metastases	3
	Retroperitoneal lymph nodes metastases	4
	Abdominal wall metastasis	1
	Inguinal lymph nodes metastases	2
	Neck lymph nodes metastases	2
	Liver metastases	2
	Spleen metastases	1
	Lung metastases	4
	Canalis spinalis metastasis	1
	Bone metastases	2
	Peritoneal carcinomatosis	1
Extrapelvic metastases without pelvic recurrence group	Retroperitoneal lymph nodes	2
	Neck lymph nodes metastases	1
	Left axillary nodes	1
	Liver metastases	2
	Lung metastases	4
	Bone metastases	3
	Peritoneal carcinomatosis	1
	Abdominal wall metastasis	1