Clubbing digits: Clubbing can be acquired or inherited. Clubbing that is acquired is usually due to lung or heart disease but may be secondary to gastrointestinal disease. It is not specific for lung cancer but can be present in patients with lung cancer. Clubbing refers to an increase in tissue of the pads of the fingertips and loss of the normal angle the nail base makes with the finger. It can be seen on exam.
Answered 1/15/2018
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