Findings: FDG PET: Intense FDG-avid extensive bilateral pleural-based soft tissue masses with extension into the right pulmonary parenchyma and along the pericardium, with an FDG-avid right axillary lymph node.No abnormal FDG uptake in previously described ill-defined large mass in the rectosigmoid region.No other sites of tumor visualized to suggest an extra-pulmonary location for the primary tumor.
CT of chest : Diffuse, heterogeneously enhancing nodules involving the greater portion of the pleural surfaces in both lungs, with extension into the pericardium and apparent extension into the chest wall.Ill-defined large mass around the rectosigmoid region that could represent a large occult adenocarcinoma of the rectum.
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