New studies provide evidence for the involvement of calcium transporter proteins in pigmentation and the association of pigmentation gene variants with skin cancer susceptibility. Medscape Medical News
A genome-wide association study in Japanese populations finds that PSCA is a susceptibility gene for diffuse-type gastric adenocarcinomas. Medscape Medical News
How does one approach an early-stage breast cancer tumor in a patient with breast augmentation implants? Dr. Thomas Buchholz discusses the options. Medscape Hematology-Oncology
Massachusetts Sen. Edward Kennedy left the Boston hospital on Wednesday morning after tests to diagnose a malignant brain tumor, his doctors said. Reuters Health Information
Carriers of the alpha1-antitrypsin deficiency might have a risk of developing lung cancer that is up to 70% higher than that for noncarriers of the genetic defect. Medscape Medical News
In a large prospective study, higher circulating serum concentrations of 25-hydroxyvitamin D were associated with an increased risk for aggressive prostate cancer. Medscape Medical News