While the three of them were talking, a young man entered, followed by two old men, who looked like his parents.

The young man's face was dark and gloomy, and the two old men also had a sad face.

"Sit down!" Song Tingshen said, since he came to the tumor hospital, there must be something wrong without asking.

The young man took out his medical records, and Song Tingshen saw that this person's name was Chen Yuan, who was only twenty-six years old.

The medical record should be that when I saw a doctor in my hometown before, I was from Anhui Province, and the diagnosis was advanced liver cancer and portal vein metastasis.

"Doctor, my son ......" Chen Yuan's mother burst into tears as soon as she opened her mouth, thinking that her son had cancer at a young age, and he was still at an advanced stage.

"The doctor in the hospital in my hometown said that it was liver cancer, which can only be treated in Beijing, and also said that only the doctor in the cancer hospital can be optimistic, so we came." Chen Yuan's mother wiped her tears and said, "Doctor, can my son still be cured?" ”

Song Tingshen looked through the medical records and did not speak, seeing that the previous diagnosis seemed to be liver cirrhosis, portal vein metastasis, fortunately there was no lung metastasis or anything, otherwise it would be hopeless.

"Let's do a detailed examination, we can't use these in your hometown, our hospital has more advanced equipment, and we can diagnose it more clearly." Song Tingshen said.

"Do whatever you say." Chen Yuan's father nodded.

"Doctor, I read the newspaper that you can do a liver transplant here, right? Does that mean I still have hope? Chen Yuan asked.

Song Tingshen nodded, "Theoretically, this is the case, we have to do a detailed examination to see if there is a need for liver transplantation, and it is difficult to find the source of the liver." ”

"I've heard that isn't it possible for relatives to donate livers to their children? I am willing, for the sake of my son, I will cut off half of my liver to him. Chen Yuan's mother said hurriedly.

"We'll take a hospital for a check-up depending on the situation." Song Tingshen nodded.

Chen Yuan's father went to pay the fee, and then began various inspections.

The results of the examination were similar to those in the previous hospital, the liver was cirrhosis and the tumor could not be removed locally, and the incision did not have much effect.

The cancer cells have not metastasized to the lungs and other organs, but the portal vein has metastasized.

The portal vein system is in the liver, which is a veinous vascular system that collects the return of blood from the abdomen, and the portal blood vessels eventually flow into the vena cava and then back to the right heart.

So liver transplantation is still useful, if the lungs have metastasized or something, that is, a new liver is transplanted, and the cancer cells will be transferred back to the liver again, and it will be done in vain.

In the case of transplantation, the portal vein is removed along with the removal of all the areas with cancer cells and the transfer of them to a healthy liver, which has a high chance of survival.

Chen Yuan's parents said that they were willing to donate liver for their son, so Song Tingshen opened a bill to draw blood for the two of them, first to see whose blood type matched, and then to check whether their bodies could withstand the risk of liver cutting and whether they met the requirements for liver donation.

Just like An Zehan before, his mother has fatty liver, and she also lost weight for a few months before she could donate her liver to her son.

The two took a blood test and took the blood test report, An Zehan took a look at it first, "Impossible!" He exclaimed.

"What's wrong?" Guo Xiang hurriedly asked.

Song Tingshen glanced at An Zehan, he stuck out his tongue and handed the blood test report to Song Tingshen.

Guo Xiang looked behind him and frowned, Chen Yuan's parents both have blood type A, but Chen Yuan is type AB, this is impossible, two people with type A blood can't give birth to a child with type AB blood at all.

The biggest possibility is that Chen Yuan is not the biological child of his parents.

Guo Xiang looked up at the two old men, they were both worried and worried, and they could see that they cared about their son, did they not know that their son was not their own, or was it just because he was his own son?

Song Tingshen put the blood test report on the table, a little helpless, "Neither of you can donate liver to your child, and your blood types don't match." ”

"Wouldn't it? Why is it inconsistent? The child's blood type is either the same as mine or his father, right? Chen Yuan's mother didn't understand.

"That's not necessarily, the child's blood type may also be different from the father'......," Guo Xiang said, but this is not the same and different problem, this is two children with blood type A who can't give birth to AB blood type at all, and it seems that they don't know it at all.

"Chen Yuan's mother ......" Song Ting thought deeply about how to say to the old man, "Chen Yuan is not your biological child, right?" Is it adopted? ”

"yes, why isn't it biological? I gave birth to it, and I conceived it in October. Chen Yuan's mother was shocked.

Chen Yuan and his father were also shocked, "What's the matter?" ”

"Look at ......" Song Tingshen pointed to the blood test report, "Your parents are both blood type A, you can only be type A or type O, the probability of type O is very small, the most likely is type A, but you are type AB, it is impossible in medicine." ”

"So you shouldn't be your parents' biological son." Song Tingshen said.

"This ......," all three of them were shocked, "won't there be exceptions?" ”

"No!" Song Tingshen shook his head, "There are no exceptions, medical technology has been developed for so many years, and the blood type has been very mature and clear, there are no exceptions......"

"Dad, Mom......" Chen Yuan looked at his parents in pain, could it be that they had hidden themselves for so many years?

"No, it won't, it won't!" Chen Yuan's mother shook her head desperately, tears gushing out like spring water, "I gave birth to you in October, why are you not biological, you are my and urine, why are you not biological?" Chen Yuan's mother cried bitterly.

Chen Yuan's father also red-eyed, "Yes, I was always at home when your mother was pregnant with you, I watched you be born with my own eyes, how is it possible?" ”

"Could it be that the child was holding the wrong child in the hospital?" An Zehan said.

"It's possible." Guo Xiang nodded, so even his parents didn't know.

"What then?" Chen Yuan's mother panicked.

"What about our children?" Chen Yuan's father's face also turned white.

"Then I can only ask yourself, in which hospital did you give birth to the child back then, did you give birth to the child in the hospital? Was there another child born at that time, and the nurse held the wrong one? Guo Xiang asked.

"Yes, I was born in a hospital,...... Chen Yuan's mother recalled, they were from the county and not from the countryside, so they were born in the hospital. ”

"W-What can I do? After all these years, can you still find it? Chen Yuan's father frowned into a Sichuan character.

"If you can't find it, you have to find it, not to mention our biological son, we also have to help Yuanyuan find his biological parents, but they can save Yuanyuan." Chen Yuan's mother cried bitterly, "Yuanyuan is only twenty-six years old, he still has a long way to go, and he can't find his parents, what should he do?" ”

Chen Yuan's tears also flowed, he was very moved, he was so afraid that he was not the biological son of his parents, they would ignore him, but fortunately they loved him.

"Yuanyuan, don't worry, we will definitely find your biological parents and will definitely save you!" Chen Yuan's father also said firmly.

Regardless of whether it is biological or not, how can the son who has loved him for decades say that he will give up, after so many years of affection, they love the child very much, how can they ignore him?

"Then you go and find it, time waits for no one!" Song Tingshen said.

The advanced stage of liver cancer generally only has a lifespan of a few months, and I don't know how long it will take to find someone, so I'm really afraid that I won't find it.

Guo Xiang is also worried that this period is not as developed as communication in later generations, and the hospital does not have a computer to check, and it is a bit difficult to know whether the information of the hospital has been retained for decades.

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