Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
This is a protocol for a prospective observational cohort study not yet conducted; it describes planned methods and outcomes without results, establishing hypothesis-generating potential but lacking empirical evidence.
Mechanistic study in cell lines and mouse xenografts identifying a bacterial metabolite–host signaling axis in ESCC, but lacks clinical efficacy data and human therapeutic validation.
This is a narrative review synthesizing existing literature on immune microenvironment characteristics and predictive models in ESCC without presenting original data or comparative efficacy evidence.