1 he critical role of the microenvironment for arriving metastatic cells.

2                                   These late-arriving T cells divided less and more retained the cent

3 r aggravated, rather than resolved, by newly arriving progenitor cells exhibiting a disease phenotype

4                          The progeny of late-arriving T cells possessed the phenotype of central-memo

5 s to infer gradients from particles randomly arriving at cell-surface receptors by diffusion.