KLRG1 marks tumor-infiltrating CD4 T cell subsets associated with tumor progression and immunotherapy response ============================================================================================================== * Casey R Ager * Mingxuan Zhang * Matthew Chaimowitz * Shruti Bansal * Somnath Tagore * Aleksandar Obradovic * Collin Jugler * Meri Rogava * Johannes C Melms * Patrick McCann * Catherine Spina * Charles G Drake * Matthew C Dallos * Benjamin Izar