Table 1.

Clinical indicators screened from Cox stepwise regression.

Clinical variable	Coefficient	P value	HR
Tnm_m_m1	1.121	0.002***	3.067
Grade_3	0.262	0.576	1.300
Grade_4	0.906	0.059	2.474
Tumour size	0.563	0.119	1.755
necrosis	0.654	0.052	1.923

^(*)p < 0.05, ^(**)<0.01, ^(***)<0.001.