Malignant Epithelioid Mesothelioma. Malignant epithelioid mesothelioma is a cancer that affects the lining of the lungs, heart, or abdomen. It is most commonly diagnosed in people who have worked with asbestos. Malignant Epithelioid Mesothelioma | Treatment, Prognosis & Diagnosis Asbestos is a group of minerals that are found in many products used in construction and […]