Why Do Only Some Gastric Tumors Respond to Therapy?

Tumors from patients with gastric cancer can be divided into subgroups, based on their gene expression pattern. This information can be used to select the best treatment, according to Patrick Tan and colleagues in the August issue of Gastroenterology. Gastric tumors have large, inter-individual differences in aggressiveness, histopathology features, and

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Tracking Pancreatic Cancer Cells

Tumors spread to other parts of the body when cancer cells can escape into the bloodstream, although it is not exactly clear how they enter the circulation or decide where to form new tumors. Andrew Rhim and colleagues at the University of Pennsylvania have developed a technology to label tumor

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Are Biopsies Safe for Patients with Advanced Liver Disease?

Liver biopsies are relatively safe and well tolerated among patients with advanced chronic hepatitis C, based on data from the HALT-C trial.  Liver biopsy analysis provides information for diagnosis and planning of treatment strategies for patients with acute and chronic liver diseases, such as chronic hepatitis C infection. However, biopsies

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