PET scan
It is a procedure in which a small amount of glucose (sugar) radiation is injected directly into the vein and a scanner is used to create computer images that detail the areas within the body where the glucose is used. Because cancer cells tend to use more glucose than normal cells, this procedure and its images can be used to find cancer cells in the body.
Thoracoscopy
The diagnosis of malignant pleural mesothelioma may mean that your doctor performs a physical exam within the chest cavity with an observation instrument called a thoracoscope. For this procedure, an incision through the chest wall and enters the device between two ribs. Generally, this procedure is performed in the hospital.