Table 3.

C-index in prediction PFS.

Model	Train cohort		Test cohort
	C-index	p	C-index	p
Pathomics-based model	0.844	<0.05	0.710	<0.05
Clinical model	0.744	0.0006	0.746	0.0651
Combined model	0.847	<0.05	0.739	<0.05