Chapter 1274: Chapter 969: I'm Definitely the Chief Surgeon

Ou Lianfeng's lungs are now almost like a stone. The long-term irritation of the accumulated dust on the lung tissues has led to diffuse fibrosis of the lung tissue, with most of the normal lung tissue turning into fibrous connective tissue. This type of ineffective replacement is very common in medicine, where non-functional cells replace normal cells. Once a certain number is exceeded, the organ's function will become impaired, eventually leading to failure.

The mechanism of this ineffective replacement is also an important reason why tumors are fatal. Non-functional tumor cells massively replace the organ's normal cells. The function of an organ depends on the work of normal cells. Once the number of functioning cells is reduced to a certain quantity or is completely gone, the organ will lose the basis for function and can no longer perform, severely threatening the patient's life.