Respiratory complications. If you have pneumonia, mesothelioma can cause more difficulties with your lungs. As this part of your organism just does not fight any infections and aggressions, there is a high chance of various respiratory complications. Sometimes people just think their mesothelioma is just a simple infection that can be easily beaten. And even if you got your X-ray done there can be no signs of mesothelioma. So, try to make as many analyses as you can if you suggest mesothelioma.