Guides
Lung nodule: watch it or remove it? When doctors disagree
One doctor recommends CT follow-up, another surgery. Understand the disagreement and prepare a useful lung nodule second opinion in China.
By MedicCN, Editorial research · published 2026-10-21 · sources checked 2026-10-21
English article prepared on 21 October 2026 using the linked medical-society, public-health and hospital sources. Source verification is not clinical review: this article has not undergone independent clinical review. Hospital descriptions do not establish a partnership, overseas-patient eligibility or a confirmed appointment.

Why two doctors may recommend different things
One doctor recommends another CT in a few months; another recommends removing the nodule. Before choosing between them, find out whether they disagree about the images, the cancer risk or the balance between waiting and operating.
A lung nodule is an imaging finding, not a diagnosis of cancer. A recommendation to repeat CT can be an active monitoring plan. Equally, an operation may be proposed because the clinician believes further observation would leave an important risk unresolved. Neither recommendation can be judged from the words ‘nodule’ and ‘surgery’ alone.
Write down each proposal exactly: repeat CT at a stated interval, obtain a tissue sample, or discuss removal. Then add the reason each doctor gave. ‘The nodule has grown’ and ‘the nodule looks suspicious despite little size change’ are different arguments. If one consultation used only the latest report and another included several years of scans, the two doctors may not have reviewed the same evidence.
What would change the recommendation?
Ask the reviewing clinician to connect the proposed action to the nodule’s features and your circumstances. A size threshold copied from an online chart cannot settle the decision.
Solid, ground-glass and part-solid nodules follow different assessment pathways. Age, smoking history, previous cancer, changes over time and the appearance of the nodule can alter the interpretation. The Fleischner incidental-nodule recommendations are not designed for every patient: they exclude people younger than 35, immunocompromised patients and patients with cancer, and do not replace screening-programme protocols.
For a practical comparison, request an explanation of what each option would establish, what it might miss and what would happen next. If a doctor proposes a biopsy, ask how a non-diagnostic result would affect the plan. If surgery is proposed, ask what the operation is intended to achieve and how your fitness for it will be assessed.
| Proposal | Decision to clarify |
|---|---|
| CT surveillance | What interval, who reviews the scan, and what change triggers another step? |
| Biopsy | What result would change management, and what if the sample is inconclusive? |
| Surgical assessment | Why is removal being considered now, and what alternatives remain? |
Send the scans that explain the disagreement
Prepare the original CT studies, their reports and the written recommendations. A screenshot or a translated conclusion alone leaves the reviewing team without much of the evidence.
Request the complete image studies from the imaging provider, commonly supplied as DICOM files. Keep each study paired with its date and report. Include the earliest available comparison as well as the latest examination; do not choose only the images that seem to support one recommendation. Test a download or disc before leaving the original provider.
Add a short history, current medicines, major medical conditions and any existing lung-function or pathology results. Keep original documents alongside translations. The opening question can be simple: ‘I have been offered surveillance and surgery. Please review the scans and explain which findings support the next step.’ The receiving team should identify any missing investigation rather than the patient purchasing tests to complete a package.
Getting a second opinion in China
For a disagreement involving both imaging and surgery, a pulmonary nodule service or multidisciplinary review may be a more useful enquiry than asking for an unspecified ‘top lung doctor’.
HKU–Shenzhen Hospital publishes a pulmonary nodule multidisciplinary clinic involving relevant specialties. Its published pathway describes referral from a related specialty. That is a concrete service to enquire about, not evidence that an overseas patient can book a direct remote review or bypass an initial consultation.
Ask the hospital to confirm whether it will accept your case, whether attendance is required, how images are transferred, the fee and whether you receive a written opinion. Keep the current follow-up plan in place while arranging another view. A coordinator’s acknowledgement of documents is not a clinical assessment.
Who will review the next scan?
Before the consultation ends, ask for the recommendation in writing, including the next test or appointment and who will review it. If the second doctor agrees with the first, ask which findings led to that conclusion.
Request a written explanation to discuss with your treating clinician at home. If surveillance is recommended, record the next scan date and the clinician responsible for reviewing it. If an intervention is suggested, clarify whether additional assessment is needed before anyone can offer a date.
Ask your treating clinician whether seeking the additional opinion changes the acceptable timing of care. Do not postpone an urgent assessment to fit international travel. New severe breathlessness, significant coughing of blood or acute chest pain requires prompt local medical attention rather than waiting for an overseas appointment.