(b) Tumor larger than 1 cm

Percentage of ETE+ (%)	CT features
	Group A	Group B	Group C	Group D
US features
Group 1	6.2	22.6	37.7	NA*
Group 2	13.6	52.7	70.5	83.2
Group 3	18.5	75.4	89.1	94.5

^*NA: not applicable.