There are usually no symptoms.
Signs and tests
A solitary pulmonary nodule is usually found on a chest x-ray. If x-rays repeated over time show the nodule size has remain unchanged for 2 years, it is generally considered benign.
Other tests used to examine a solitary pulmonary nodule may include:
- Percutaneous needle biopsy
- Single-photon emission CT (SPECT) scan
- Skin tests to rule out infectious causes