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.
A synthesis paper proposing mechanistic hypotheses for perineural invasion in HCC based on limited and inconsistently defined clinical data, without new experimental results or clinical trials to test the proposed mechanisms.
A single-arm, algorithm development study on benchmark datasets with no clinical validation, control group comparison, or patient outcome data; demonstrates technical feasibility but not clinical utility or safety.