A Comparison of Treatments and Outcomes for Medullary versus Nonmedullary Colon Cancer: A Single Institutional Experience Showing a Worse Prognosis for Stage 3 Disease

Table 3

Overall survival and follow-up of those surgically resected MCC vs. NMC.

	MCC	NMC	MCC vs. NMC	MCC vs. PD/UD NMC
	Total	Total	PD/UD	value	value
Median overall survival, months (95% CI)
Stage 1	Not reached	Not reached	Not reached	0.795	n/a
Stage 2	112.3 (14.1, NA)	97.8 (82.8, NA)	Not reached	0.301	0.283
Stage 3	15.3 (0.9, NA)	61.9 (54.1, 77.1)	47.2 (31.1, NA)	<0.0001	0.001
Stage 4	20.2 (NA, NA)	20.6 (16.3, 25.2)	10.4 (6.8, 16.5)	0.689	0.805
Median follow-up, months (95% CI)
All patients	31.6 (17.7, NA)	57.7 (53.1, 61.2)	48.5 (45.9, 60.0)	0.015	0.031

Stage denotes pathologic stage. MCC, medullary colon cancer; NMC, nonmedullary colon cancer; PD, poorly differentiated; UD, undifferentiated.