A Pancoast tumor is a type of lung cancer that forms at the very top of the lung. WebMD tells you more about causes, diagnosis, and treatment options.

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A Pancoast tumor is a rare form of lung cancer where the tumor is located at the very top of the lung. We’ll tell you what they are and what you can expect if you or your loved one has a ...

Pancoast tumors don’t usually present with typical lung cancer symptoms like coughing or shortness of breath. Most people (up to 96%) experience shoulder pain as the initial symptom.