PDCD1 and telomere syndrome: Furthermore, our approach was as effective as the use of paclitaxel plus gemcitabine for STS treatment [26, 33], indicating that the combination of nab-paclitaxel and a PD-1 inhibitor improves the sensitivity of both the PD-1 inhibitor and nab-paclitaxel toward STS and provides a reference for the further study of this combination regimen.