CD8A and melanoma: By contrast, the occult micrometastasis contained only few SOX10<sup>+</sup> Melan A<sup>-</sup> melanoma cells which were scattered within a dense infiltrate of T cells, including a prominent population of CD103<sup>+</sup> CD8<sup>+</sup> T cells resembling tissue-resident memory T (T<sub>RM</sub>) cells.