Our expert says:
The problem with lung cancer is that the cancer causes abnormal fluid forming that squashes the lungs, and also "eat" through the small airways ( bronchi) causing leaking of air and collapsing of the lung. They don't have much choice as he will get infection if he walks around with the drain too long - they are between the devil and the deep blue sea here - all the doctors can do is their best. The operation will be risky - but so will another lung collapse as his heart may not be able to handle the stress....
Thinking of you and hoping he gets better soon.
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