Table 1.

Combination indices (CI) for aspirin and lenvatinib.

Cell Line	Lenvatinib (μM)	Aspirin (mM)	CI	Synergy
HepG2	5	5.959	0.895	+
	10	3.325	0.761	++
	15	1.449	0.717	++
Hepa1-6	5	4.957	0.873	+
	10	2.767	0.758	++
	15	1.288	0.741	++

Based on the detailed CI values, the synergy strength is displayed with graded symbols. “+” indicates slight synergism; “++” indicates moderate synergism; “+++” indicates strong synergism.