Neoadjuvant FOLFOX chemotherapy combined with radiotherapy followed by radical resection in patients with locally advanced colon cancer

Table 4 Comparison of clinical staging to pathologic T and N staging (N = 34)^a

Clinical staging	Pathologic T staging						ypN negative	ypN positive	Total
Clinical staging	ypT0	ypT1	ypT2	ypT3	ypT4a	ypT4b	ypN negative	ypN positive
cT3	4 (11.8)		2 (5.9)	7 (20.6)			-	-	13 (38.2)
cT4a	4 (11.8)		1 (2.9)	6 (17.6)	1 (3.0)		-	-	12 (35.3)
cT4b	1 (3.0)		2 (5.9)	4 (11.8)		2 (5.9)	-	-	9 (26.5)
cN negative	-	-	-	-	-	-	1 (3.0)	0	1 (3.0)
cN positive	-	-	-	-	-	-	27 (79.4)	6 (17.6)	33 (97.0)
Total	9 (26.5)	0	5 (14.7)	17 (50)	1 (3.0)	2 (5.9)	28 (82.4)	6 (17.6)	34 (100)

c clinical (in this case evaluated by imaging), ypT pathologic T-stage posttreatment, ypN pathologic N-stage posttreatment
^aTwo patients (T4bN2M0 and T4aN2M0) did not receive surgical resection due to unresectable tumor despite chemoradiotherapy

ISSN: 1748-717X