<qa>  What is the name of the procedure that you will have to have?If you completed at least 12 and no more than 24 cycles of treatment with lenalidomide, you will have follow-up visits every 3 months. If you complete 24 or more cycles of treatment with lenalidomide, you will have follow-up visits every 6 months. This will continue until the disease gets worse. At each visit, blood about 1 teaspoon will be drawn to test your thyroid function. The status of your disease will be evaluated and you may have a bone marrow biopsy and aspirate. You will have a chest x-ray and CT scans of the chest, abdomen, and pelvis. If needed, you will also have a CT scan of the neck. If needed, you will have a colonoscopy or endoscopy. You may also have a bone marrow biopsy and aspirate performed. 