Tumour draining lymph node-generated CD8 T cells play a role in controlling lung metastases after a primary tumour is removed but not when adjuvant immunotherapy is used. - Fear VS; Forbes CA; Neeve SA; Fisher SA; Chee J; Waithman J; Ma SK; Lake R; Nowak AK; Creaney J; Brown MD; Saunders C; et al. (Cancer immunology, immunotherapy : CII, 2021)