Signs and Symptoms These symptoms may be caused by mesothelioma or by other, less serious conditions. * chest wall pain * pleural effusion, or fluid surrounding the lung * shortness of breath * wheezing, hoarseness, or cough I * abdominal pain * ascites, or an abnormal buildup of fluid in the abdomen * a mass in the abdomen * problems with bowel function * weight loss * blood clots in the veins, which may cause thrombophlebitis * disseminated intravascular coagulation, a disorder causing severe bleeding in many body organs |