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 input: I had been suffering from cardiovascular disorder.
Example output: cardiovascular disorder
Example explanation: Here, the person mentions this disorder which is related to heart issues.
Q:  Skin fragility in most cases is due to mutations in the gene encoding type XVII collagen ( COL17A1 ) .
A:
Skin fragility