pussycat
n.— «In contrast to many cancers, only certain prostate tumors require treatment. Many are slow-growing and pose little threat to health. But separating the “tigers” from the “pussycats”—as oncologists dub them—is tricky.» —“New test pinpoints deadliest prostate cancers” by Ben Hirschler Scientific American July 16, 2007. (source: Double-Tongued Dictionary)
Further reading
One secret to writing well is … there is no secret! There’s no substitute for simply sitting down day after day to practice the craft and learn from your mistakes. Plus, childhood mixups around word definitions can lead to some funny stories...
A physician in Blowing Rock, North Carolina, shares some of the vocabulary of his patients from Appalachia. There, a misery is anything painful, such as a misery in my jaw if they have a painful tooth or a misery in my back if they have lumbar pain...