Overview
This study is a prospective, real world study.The objective is to observe the diagnosis and first-line treatment of Chinese patients with cancer of unknown primary, and collect the clinicopathological characteristics, treatment outcomes, survival and other data of the patients.
Eligibility
Inclusion Criteria:
- Had a diagnosis of cancer of unknown primary (CUP) after a standard evaluation .
- Prepared to receive first-line therapy for CUP
Exclusion Criteria:
- Patients who had previously received systemic therapy for CUP
- Previous history of other cancers, except cervix cancer or basal cell carcinoma of the skin that has been cured
- The investigator considered that there were contraindications to treatment or were not appropriate to participate in this study