Clinic Study of 18F-Al-NOTA-PRGD2 in Cancer Diagnostics

Inclusion Criteria: 1. Volunteers or patients with age more than 18 yeas; 2. The patients have been diagnosed with cancer or suspected with cancer; 3. It must fulfill the ethical requirements and subjects have signed an informed consent. Exclusion Criteria: 1. Pregnancy or nursing mothers; 2. Having drugs or alcohol dependence; 3. Hypersensitive to the active or inactive ingredients of the study drug; 4. Having attended other drug clinical trials within three months; 5. Cardiac functional insufficiency; 6. Hepatic and renal function insufficiency; 7. Hypertensive patients with serious complications; 8. Endangering the safety of life.