An imperforate anus may present in many forms EXCEPT:

An imperforate anus refers to a congenital condition where the anal opening is absent or improperly formed, leading to a range of possible presentations. The reason that relocation of the anus is not a form of imperforate anus is that this condition specifically involves the absence of a functional anal opening rather than its repositioning.

In the context of imperforate anus, narrowing of the anus may occur as a form of malformation but still allows some form of passage, although not adequate for normal function. A connection of the rectum to another organ, such as the urinary bladder or the vagina, is a type of defect called a fistula and is often associated with imperforate anus. Similarly, having a rectum with an opening to the skin surface denotes varying degrees of imperforate conditions, where there is an attempt to create an output channel.

Thus, the main distinguishing characteristic of the correct answer is that the term "relocation" suggests an adjustment to where the anus is situated, which does not fit the definition or variations of an imperforate anus.