In residency, we are taught to look at all parts of a "film," including the corners. There are numerous examples of abnormalities that can only be seen in one view. Usually, those examples are of finger fractures. Here is another kind of "hidden" abnormality that just blows away anyone who thinks that "radiology is easy." Everyday we radiologists look for the proverbial needle in the haystack, without any surety that the needle is actually present!