Several medical professionals might work together in order to improve your health state:

1. General practitioners: they are the first ones that you get in contact with when you encounter health problems.
2. General surgeons: likely to meet if you suffer from peritoneal mesothelioma.
3. Oncologists: they are specialized in diagnosing and treating cancer, usually recommended by general practitioners.
4. Pulmonologists: doctors specialized in identifying lung conditions.
5. Radiologists: they play an important role in the diagnostic process by performing the necessary imaging tests.
6. Thoracic surgeons: they operate on the lungs, esophagus, heart and diaphragm.