Do lungs regrow after surgery?

Yes, in some cases, lungs can partially regenerate after surgery, but it's not exactly like how a lizard grows back its tail. Let me explain.

When a part of the lung is removed through surgery due to cancer, infections, or other issues, the remaining healthy lung tissue can indeed grow and expand to compensate for the lost tissue. This process is called lung regeneration or lung remnant growth.

However, the extent to which lungs can regrow depends on various factors, including the overall health of the patient, the specific condition being treated, and the amount of lung tissue that was removed. 

The human body has a remarkable ability to heal itself, and the remaining lung tissue can adapt to take on some of the workload of the missing part. Over time, the remaining lung tissue may expand and become more efficient in delivering oxygen to the body.

But here's the catch: while the remaining lung tissue can compensate to some extent, it typically doesn't fully regenerate to replace the exact structure and function of the removed tissue. So, it's more about the remaining lung tissue adapting rather than completely regrowing like a lost limb.

Doctors closely monitor patients after lung surgery to ensure that the remaining lung tissue is functioning properly and that there are no complications. They may also recommend lifestyle changes or rehabilitation exercises to help improve lung function and overall respiratory health.

So, while lungs do have some capacity for regeneration after surgery, it's not a complete restoration like you might see in some other organs. But the body's ability to adapt and compensate can still lead to significant improvements in lung function and overall well-being.