ICAM1 and breast cancer: In contrast, ICAM1 expression is associated with favorable prognosis in the breast cancer TCGA cohort, consistent with similar survival analysis of NCBI GEO dataset and repression of the lung metastasis in spontaneous breast cancer metastasis model (91) and contradicting another paper reporting pivotal role of the ICAM1 in the CTC cluster formation, trans-endothelial migration and metastasis in breast cancer (92).