The System was as stable as ever. It did not ignore the metastases that were too small to be detected, nor did it give the exact location of the metastases.
"Boss Zheng is so busy." Sister Li wasn't unhappy. She smiled and said, "I was preparing to come over a few days ago. Dean Yuan said that you and the people from the Royal Swedish Academy of Engineering were researching basic physics formulas."
"I don't know either. I just provide some clinical surgical experience when I'm making physical models," Zheng Ren said with a smile.
"Can you repeat the experiment?" Old Li, who was standing on the side, asked.
"I can repeat the surgery, but I'm still researching the physical model of the System. The formulas involved are complicated, so I don't really understand them," Zheng Ren said honestly.
Elder Li nodded.
"Let me introduce you. This is Elder Li, an academician of the Academy of Engineering. He has made outstanding contributions to the protection of rare and endangered wild animals in our country." Deputy Director Yuan formally introduced, "Old Li, this is a rising star of our hospital. He has been recommended for this year's Nobel Prize in Medicine."
"Hello, Old Li." Zheng Ren bowed and greeted Old Li respectfully.
"You're really a rising star. You're already 30?" Old Li asked with a smile.
"Twenty-nine."
"What a good age." Elder Li was a little emotional. "Work hard. At your age, you'll still be in your prime in 20 years. When that time comes, you'll win the Nobel Prize and bring glory to the country."
Zheng Ren smiled.
Teacher Li understood people. They didn't even ask if they could get it this year. They directly talked about 20 years later.
"Old Li, let's go for a CT scan," Zheng Ren said.
"There's no need to expend too much energy." Old Li smiled and said, "I've asked some old fellows from the Chinese Academy of Sciences. It's common for liver cancer to metastasize, but we can't find any metastases."
"Dad, what are you talking about?" Sister Li said unhappily, "It's not a transfer at all. There's nothing going on. It's just a physical examination."
Old Man Li did not refute him directly. He only muttered to himself, "I'm not senile."
Zheng Ren did not say anything. Anything he said at this time would be wrong.
Deputy Dean Yuan said, "Elder Li, I still have things to do over there, so I won't be accompanying you. Zheng Ren, after you're done with the CT scan, report the results to me. "
"Yes," Zheng Ren answered immediately.
Old Li waved his hand and said, "Little Yuan, go do what you need to do."
It was still early, and the patient had not arrived yet. The machine had already been turned on. Chief Chu and a few deputy chiefs had arrived early. Dr. Liang was at the back of the group. When he saw Boss Zheng performing a CT scan on Senior Li, he felt a little emotional.
Zheng Ren wanted to help Old Man Li lie down, but as soon as he reached out, Old Man Li pushed him away. "No, I'm not old yet."
"Yes, of course." Zheng Ren just smiled.
"I understand. No matter what, I'm still a scientist. Don't hide anything from me," Old Li said as he sat on the CT machine bed.
"Don't worry, it's really just a checkup. Didn't you say that the possibility of finding the problem is not high? "Zheng Ren smiled and said," I'll check it out. I'm not sure if it will work. "
Old Li was very dissatisfied with Zheng Ren's slightly perfunctory attitude, but he did not say much. Instead, he lay down on the consultation bed.
Chief Chu pressed a button, and the bed moved inward. The few of them walked out.
A buzzing sound rang out. The 912's CT machine was very advanced, and the noise was not loud.
After scanning the room from head to toe for more than 20 minutes, Chief Chu and the others went to pick up Old Li.
Zheng Ren, on the other hand, sat upright in front of the operating table and focused on doing the radiographic films. When Old Li came out, he only stood up to say a few words and did not send him off.
Because the System did not give a diagnosis of internal organ metastasis, Zheng Ren only went through the internal organs and saw that there was nothing wrong. His main attention was still on the bones of the whole body, starting from the skull and going down millimeter by millimeter.
Under normal circumstances, ECT was the main way to check if there was bone metastasis.
However, the latent metastasis of liver cancer could not be detected by ECT or PECT.
The lesion was too small, and it had already exceeded the technical level of current technology.
Zheng Ren also wanted to give it a try and do his part for an old and virtuous man.
"Boss Zheng, can the CT scan tell?" Chief Chu sent Old Li away and returned to the CT room. He sat beside Zheng Ren and asked.
"The possibility of clearly seeing the location of the lesion is not high," Zheng Ren said. "But we can roughly know where the problem is. In the future, we can focus on monitoring it or think of another way to treat it."
Chief Chu smiled and shook his head. He had been in CT for thirty to forty years.
In 1972, British scientists successfully developed the first CT machine. In the 1980s, there were imported CT machines in the country. At that time, Chief Chu was still a student and began to come into contact with early CT.
Until now, Chief Chu had come into contact with a machine that could perform DNA CT scans.
However, if he wanted to use such a detailed machine to examine the whole body, it would not be possible.
Chief Chu had also thought about Old Li's condition, but he did not have a definite idea.
With the current technology, this was still a blind spot. If he wanted to confirm the diagnosis, he could only wait for technology to advance.
Boss Zheng was thinking too much. This was Chief Chu's idea. Chief Chu admitted that his level was high. However, finding the location of the liver cancer metastasis was tantamount to a fool's talk.
However, there was no harm in giving it a try.
Starting from the skull, Zheng Ren squinted his eyes and looked at the images frame by frame.
Nearly an hour later, his hand suddenly moved.
After capturing the abnormal signal, Zheng Ren began to reconstruct it.
Chief Chu almost fell asleep watching. When Zheng Ren moved, he perked up and looked carefully.
Zheng Ren looked at the lower edge of the sixth thoracic vertebra.
In terms of normal bone density, the cross section of the CT was like a fence, and the structure was relatively dense. As osteoporosis appeared and worsened, the fence would continue to become loose, and the load bearing would gradually decrease.
The slightest movement could cause a compression fracture. For example, sitting or squatting at home, or a bumpy ride on the bus, could all be the cause of trauma.
There was no trace of a tumor in the image on the operating table screen. Chief Chu carefully looked at it twice and directly ruled out the possibility of bone metastasis.
The fence here was relatively loose, and there were some remnants of bone trabeculae and other images between the fence.
The shape was uneven, but the existence of the trabeculae and other things could definitely not be considered metastatic tumors.
"Boss Zheng? Do you suspect that there's a problem here? "Chief Chu asked.
"Yes." Zheng Ren nodded and continued to reconstruct.
"No, the shape here is relatively normal. I didn't see any abnormal images." Chief Chu directly denied Zheng Ren's statement.
Although he had a good relationship with Zheng Ren and watched him grow up, Zheng Ren's statement directly denied his own skills.
Chief Chu was very concerned about this.
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