&lt;i&gt;BCL2A1&lt;/i&gt;&lt;sup&gt;high&lt;/sup&gt; CD8&lt;sup&gt;+&lt;/sup&gt; T Cells Are a Survival-Associated Predictor of Immune Checkpoint Blockade Response in Lung Adenocarcinoma. This evidence concerns the gene BCL2A1 and lung adenocarcinoma.