Given the task definition, example input & output, solve the new input case.
In this task, you will be given a sentence. You need to reconize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.
Example: I had been suffering from cardiovascular disorder.
Output: cardiovascular disorder
Here, the person mentions this disorder which is related to heart issues.

New input case for you:  The cyclin - dependent kinase inhibitor , p27 , accumulates upon serum withdrawal , only in the presence of VHL , as a result of the stabilization of the protein .
Output:
VHL