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Egyptian scientists say a new biomarker is very good at identifying mesothelioma. Pleural effusions are pockets of excess fluid. They collect around the lungs of people with certain kinds of cancer and other conditions. Biomarkers in pleural effusions are proteins and other substances found in mesothelioma patients. The new study suggests that using this biomarker the right way can lead to more accurate diagnoses. The Importance of Biomarkers in Pleural Effusions Pleural mesothelioma is a rare cancer of the lung lining. It is a challenge to diagnose. The early symptoms can be as vague as cough and fatigue. But an accurate diagnosis is often the difference between life and death. As tumors grow, mesothelioma patients produce pleural effusions or ‘water…