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Stage IV is divided into stages IVA and IVB. In stage IVA, cancer has spread to the portal vein or hepatic artery or to two or more organs or structures other than the liver. Cancer may have spread to one to three nearby lymph nodes. In stage IVB, cancer may have spread to nearby organs or structures. Cancer has spread to (1) four or more nearby lymph nodes; or (2) other parts of the body, such as the peritoneum and liver.
20000+ Medical & Health Terms for Doctors, students & patients from a medical dictionary. Our experts define difficult medical & health language in easy-to-understand explanations of each and every medical term.
Medical & Health Terms online medical dictionary provides quick & easy access to hard-to-spell and often misspelled medical & health definitions through an extensive alphabetical A- Z listing.
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