Life After Lung Removal: A Comprehensive Guide to Pneumonectomy

Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: September 2026

TL;DR

Pneumonectomy is a major surgical procedure involving the complete removal of one lung, most commonly to treat advanced lung cancer or severe tissue damage. As the most extensive form of lung resection, it requires careful patient selection and rigorous pre-surgical testing. While the surgery presents a high risk of complications, it offers a critical chance to eliminate localized tumors and prevent the spread of disease. Recovery is a long-term process, involving several months of physical adjustment as the body adapts to living with a single lung.

Quick Answer

Pneumonectomy is the surgical removal of an entire lung, either the right or the left. Primarily used to treat lung cancer that cannot be removed through partial resection, it is also an option for severe infections or traumatic injuries. The procedure takes several hours and requires a multi-day hospital stay. Because it significantly impacts respiratory capacity, patients must undergo extensive heart and lung function tests before being cleared for surgery. Full recovery takes several months as the remaining lung expands and other internal organs shift to fill the empty space.

Why a Pneumonectomy is Performed

A pneumonectomy is typically reserved for cases where less invasive surgeries, such as a lobectomy or wedge resection, are not sufficient to treat the underlying condition. The primary indication for this procedure is lung cancer, specifically when a tumor is located in a position that requires the removal of the entire lung to ensure all cancerous tissue is eliminated. It is also used to treat pleural mesothelioma, lung carcinoid tumors, and disseminated thymoma.

Beyond oncology, a pneumonectomy may be necessary for non-cancerous conditions that have caused irreversible damage to a lung. These include severe infections like tuberculosis, bronchiectasis, or aspergillosis, as well as significant traumatic injuries. By removing a non-functioning or dangerously infected lung, surgeons can reduce the risk of fatal complications like empyema or systemic bacterial and fungal infections.

The Surgical Procedure

There are two main types of pneumonectomy: standard and extrapleural. A standard pneumonectomy removes the lung and sometimes nearby nerves and tissue. An extrapleural pneumonectomy is far more extensive, involving the removal of the lung, the pleura (lung lining), the pericardium (heart lining), and portions of the diaphragm.

Procedure Aspect	Details
Surgical Techniques	Thoracotomy (open surgery) or Video-Assisted Thoracic Surgery (VATS).
Anesthesia	Performed under general anesthesia.
Patient Positioning	The patient typically lies on their side during the procedure.
Duration	Lasts several hours; extrapleural versions take significantly longer.

During the operation, the surgeon makes an incision between the ribs to access the chest cavity. The lung is deflated and carefully removed. Unlike many other thoracic surgeries, a surgical drain is usually not placed after a pneumonectomy. Once the lung is removed, the remaining space is initially filled with air, which is gradually replaced by fluid as the body's internal structures shift.

Recovery and Adaptation

Recovering from a pneumonectomy is a significant undertaking that lasts several months. Immediately following surgery, patients stay in the hospital for several days under close monitoring. Care teams track oxygen levels, heart rate, and blood pressure while providing pain management and respiratory therapy. Physical and occupational therapists work with patients daily to encourage mobility and breathing exercises.

Recovery Milestone	Expectations and Adjustments
Hospital Stay	Several days for intensive monitoring and initial therapy.
Immediate Changes	Initial reliance on supplemental oxygen; frequent fatigue.
Body Adaptation	The remaining lung may expand; the heart and diaphragm shift toward the empty space.
Activity Limits	Restrictions on driving and lifting for several weeks.
Full Recovery	Takes several months to adjust to the "new normal" of living with one lung.

Living with one lung requires a period of significant adjustment. Patients often feel more tired than usual and must learn to take frequent breaks during daily activities. Over time, the remaining lung often expands to compensate for the missing tissue, though some limitations in physical capacity may be permanent.

Risks and Complications

As a major surgery, pneumonectomy carries a higher risk of complications compared to partial lung removals. These risks include pneumonia, infection, cardiac arrest, and arrhythmia. There is also a risk of bronchopleural fistula, an abnormal connection between the airways and the space between the lung linings.

A unique long-term risk is postpneumonectomy syndrome, where the internal organs shift so significantly that they stretch the remaining lung or esophagus, potentially blocking the airways. This complication can occur years after the initial surgery. Additionally, right-sided pneumonectomies generally carry a higher risk of complications than left-sided procedures due to anatomical differences.

Conclusion

Pneumonectomy is a high-stakes surgical intervention that remains a vital tool in the fight against advanced lung cancer and severe respiratory disease. While the procedure demands a rigorous recovery and permanent anatomical changes, it provides a definitive path for removing life-threatening tumors and infections. With the support of a specialized medical team and a commitment to long-term rehabilitation, many patients successfully adapt to life with one lung, achieving an improved quality of life and a reduced risk of disease progression.

Next Steps

1. Functional Testing: Undergo a VQ scan and pulmonary function tests to ensure your remaining lung can support your body's needs.

2. Smoking Cessation: If you smoke, you must quit immediately to reduce surgical risks and improve recovery outcomes.

3. Home Preparation: Arrange for help with household chores and errands for the first few months of your recovery.

4. Cardiovascular Review: Complete an echocardiogram to verify that your heart is strong enough to handle the increased workload post-surgery.

Frequently Asked Questions

What is the difference between a pneumonectomy and a lobectomy?

A pneumonectomy removes the entire lung, while a lobectomy only removes one of the lobes of the lung.

Can you live a normal life with only one lung?

Yes, many people live full, active lives with one lung, though they may have some limitations in extreme physical activities.

How long does the surgery take?

The procedure typically lasts several hours, depending on the complexity and whether it is a standard or extrapleural type.

Is a right-sided pneumonectomy more dangerous?

Statistically, right-sided procedures carry a slightly higher risk of complications due to the larger size of the right lung and its anatomical position.

What fills the space where the lung used to be?

The space initially fills with air, which is later replaced by fluid. Over time, the heart and diaphragm also shift toward the empty space.

Will I need oxygen at home?

Some patients require supplemental oxygen temporarily during their recovery, while others may eventually breathe comfortably without it.

How long is the recovery period?

Full recovery usually takes several months, although most patients can return to some light activities within a few weeks.

What are the most common risks?

Major risks include pneumonia, heart rhythm issues (arrhythmia), infection, and blood clots in the lungs (pulmonary embolism).

Can I drive after the surgery?

Driving is restricted for several weeks until you are no longer taking strong pain medications and have regained enough strength.

What is VATS?

Video-Assisted Thoracic Surgery is a less invasive technique using small incisions and a camera, though it is not an option for all pneumonectomy cases.

Will I have a surgical drain?

Surprisingly, most surgeons do not use a chest tube or drain after a pneumonectomy, unlike other lung surgeries.

When can I go back to work?

This depends on the nature of your job, but most people require at least two to three months before returning to work.

Can lung cancer come back after a pneumonectomy?

While the surgery removes the primary tumor, there is always a risk of cancer recurrence in other parts of the body.

What is postpneumonectomy syndrome?

A rare condition where internal organs shift too much, potentially compressing the remaining airway or esophagus.

Are there any lifting restrictions?

Yes, patients are usually advised to avoid heavy lifting for several weeks to allow the chest wall and incisions to heal.

Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. Always seek the guidance of your physician or other qualified health provider with any questions you may have regarding a medical condition or treatment.