Thoracic surgery · Imaging review
A pulmonary nodule was found. What happens next?
Most pulmonary nodules are not cancer, but they should not all be managed the same way.
The next step depends on the CT appearance, whether the nodule has changed over time and the individual clinical context. Options may include CT surveillance, additional imaging, biopsy or thoracic surgical evaluation.
THORACIC SURGERY
Dr. Hernán Oliu Lambert
Pulmonary nodule evaluation
BRING IF AVAILABLE
- The current CT in digital format.
- Previous CT scans or chest X-rays.
- The radiology report.
- Smoking and prior cancer history.
- Any PET/CT or biopsy already performed.
Decision pathway
A nodule is not managed based on one number alone.
1 · LOOK
How it looks on CT
Size, solid or subsolid appearance, margins, location, number of nodules and other lung findings all matter.
2 · COMPARE
Whether it has changed
Prior imaging is valuable. Growth, stability or density changes can substantially alter management.
3 · INTEGRATE
Clinical risk + imaging
Age, tobacco exposure, history and CT features are interpreted together. A risk percentage by itself does not automatically determine biopsy or surgery.
Possible next steps
Not every nodule needs biopsy or surgery.
CT surveillance
This may be appropriate when the probability of malignancy is low or the imaging pattern favors structured follow-up.
PET/CT or tissue diagnosis
Some nodules require additional testing. The usefulness of PET/CT or biopsy depends on size, location and the estimated clinical probability.
Surgical evaluation
This may be considered when suspicion is sufficiently important, the lesion is resectable and surgery adds diagnostic or therapeutic value.
If surgery is considered
The question is not only “can it be removed?” but “what operation adds the most value with the least reasonable harm?”
Location, limited versus anatomic resection, pulmonary function, lymph-node assessment and the feasibility of a minimally invasive approach are considered together.
Specialist
Dr. Hernán Oliu Lambert
Thoracic surgery · Thoracic oncology · VATS/Uniportal
Frequently asked questions
Common questions after a nodule is found
Does a pulmonary nodule mean cancer?
No. Many nodules are benign. Risk depends on CT characteristics, change over time and the clinical context.
Do I need a biopsy?
Not always. In some cases CT surveillance is more appropriate; in others biopsy or surgical evaluation may provide more useful information.
Should I bring previous scans?
Yes, if available. Comparing the nodule over time may be one of the most important parts of the evaluation.
Can it be removed by VATS?
Some nodules can be resected with minimally invasive thoracic surgery. The approach depends on location, size, diagnostic suspicion and the goal of resection.
Medical authorship and review
Dr. Hernán Oliu Lambert · General and thoracic surgery · Updated and medically reviewed August 30, 2026. Educational content; it does not replace an individual medical evaluation.
Next step
Review the nodule before deciding what to do.
Educational content. It does not replace an individual medical evaluation.