Tree in Lung: Understanding Rare Pulmonary Conditions and Their Causes

By Anonymous User · February 13, 2026

When encountering the phrase “Tree in Lung,” it might sound like something out of a science fiction novel—or a disturbing Reddit rumor turned anecdote. Yet in medical terminology, “tree-in-bud” is a well-established radiologic pattern observed on CT scans of the lungs. This curious term doesn’t refer to anything botanical, but rather to the branching appearance […]