An abnormal structure, or one that is abnormal in size or location, found in or deriving from a previously normal structure.
(Slot-Cardinality Acquired-Abnormality Morphological-Property 1) (=> (Acquired-Abnormality ?Self) (And (Exists (?A) (And (Postdates ?Self ?A) (Birth ?A))) (Exists (?B) (And (Co-Exist ?Self ?B) (Or (Pathologic-Function ?B) (Injury-Or-Poisoning ?B))))))