A Study of WX390 Combined With Toripalimab in Patients With Advanced Gastric-type Endocervical Adenocarcinoma With STK11 Mutations

Inclusion Criteria: * ≥18 years of age * Histological or cytological confirmed advanced Gastric-type Endocervical Adenocarcinoma. * Eastern Cooperative Oncology Group (ECOG) performance status of 0-1 * Life expectancy of more than 3 months * At least one measurable lesion according to RECIST 1.1 * Adequate organic function * Signed and dated informed consent Exclusion Criteria: * Anti-cancer therapy within 30 days prior to the initiation of investigational treatment * Major surgery within 30 days prior to the initiation of study treatment * Received corticosteroids treatment or other immunodepressant within 2 weeks before the first dose of study treatment * Toxicity from a previous anti-tumor treatment that does not return to Grade 0 or 1 (except for alopecia) * Patients who are suffering active interstitial lung disease * Evidence of ongoing or active serious infection * History of human immunodeficiency virus (HIV) infection or active hepatitis B or C infection * Inability to take medication orally * Abuse of alcohol or drugs * People with cognitive and psychological abnormality or with low compliance * Pregnant or lactating women