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. 2022 Sep 20;12:912016. doi: 10.3389/fonc.2022.912016

Figure 2.

Figure 2

Analysis of clinical data of cohorts: (A–D) Comparison of the serology of folate receptor plus circulating tumor cells (FR+CTC), heat shock protein 90 (HSP90), CEA, and CA199 levels between colorectal cancer patients with and without liver metastasis. The data are presented as mean ± standard error of the mean (SEM). Heatmap expression matrix of serological marker correlations in non-metastatic (E) and metastatic colorectal cancers (F). “*” Represents the p-value of the two groups after statistical test, * represents p<0.05, ** represents p<0.01, *** represents p<0.001, and **** represents p<0.0001.