aged human 2 Aged 1 Article 1 Biomarker 1 Construction 1 Delphi 1 Delphi study 1 Immune checkpoint inhibitor 1 Immune response 1 Immunotherapy 1 Life-and-death 1 Palliative-and-hospice care 1 Tumor microenvironment 1 adult 1 article 1 breast cancer 1 cancer immunotherapy 1 cancer inhibition 1 cancer prognosis 1 cancer staging 1 cancer survival 1 clinical study 1 cohort analysis 1 colorectal cancer 1 consensus 1 consultation 1 controlled study 1 copy number variation 1 cytotoxic T lymphocyte antigen 4 antibody 1