Although the total number of neoantigens showed a slightly increasing trend after chemotherapy, down-regulated antigen processing and presentation made them could not be recognized by immune system and facilitated the immune escape.
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Genomic and transcriptional alterations in first-line chemotherapy exert a potentially unfavorable influence on subsequent immunotherapy in NSCLC.
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The sentences
The change in copy number variations (CNVs) exhibited a decreasing trend during chemotherapy.