Tests and procedures to monitor treatment response
A number of tests and procedures may be used to tell how the cancer is responding to a particular treatment regimen. This is important information so changes may be made if the cancer is not responding.
Blood test (American Cancer Society)
Computerized tomography (CT) scan (RadiologyInfo.org)
Positron emission tomography (PET) scan and CT/PET (RadiologyInfo.org)
Bone scan (RadiologyInfo.org)
Pulmonary function tests
Lung function tests (WebMD)