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.

[Q]:  Molecular defects leading to human complement component C6 deficiency in an African - American family .
[A]: C6 deficiency


[Q]:  However , these observations would need to be confirmed by studying a larger number of CD families .
[A]: CD


[Q]:  Once the diagnosis is suspected , physicians must use serum ferritin levels and hepatic iron stores on liver biopsy specimens to assess patients for the presence of iron overload .
[A]:
iron overload