
Patients with solid tumors who are planning to undergo targeted drug therapy, immunosuppressive therapy, chemotherapy, or endocrine therapy.

Patients with solid tumors who need a comprehensive evaluation of immunosuppressive drug use, efficacy, and prognosis, or who need to understand resistance mechanisms, especially rare resistance mechanisms.

Patients with solid tumors that are negative for typica ldriver gene mutations.

Patients with solid tumors of unknown primary origin,multiple tumors or metastases throughout the body, a family history of cancer, or those who are difficult to diagnose.