Utilization of CAR‐T as a drug‐delivering platform: Many targeted drugs have been developed according to the oncological mechanism of PDAC, including hedgehog pathway inhibitors, angiotensin inhibitors, hyaluronidase (PEGPH20), mTOR inhibitor, and PARP inhibitor.58, 60 The abundance of tumor stroma may prevent these drugs from accessing tumor tissues, which may weaken their antitumor effects. The gene discussed is MTOR; the disease is neoplasm.