MR 7700 Multinuclear Application Clinical Study

Inclusion Criteria:

* 1\. HCC patient group

  * Age ≥ 18 years;
  * With clear consciousness, ability to cooperate, and autonomous behavior;
  * Voluntary agreement to participate in this clinical trial and signing of the subject's informed consent form;
  * Patients diagnosed with primary hepatocellular carcinoma by imaging or clinical diagnosis, and who have not received tumor treatment.
* 2\. Healthy control group

  * Age ≥ 18 years;
  * With clear consciousness, ability to cooperate, and autonomous behavior;
  * Voluntary agreement to participate in this clinical trial and signing of the subject's informed consent form;
  * No previous history of liver disease.

Exclusion Criteria:

* HCC patient group and healthy control group

  * Patients with claustrophobia.
  * Subject's body temperature \> 39.5°C on the day of scanning.
  * Females who plan to be pregnant within 6 months, and pregnant and lactating females.
  * Patients with other implants, prostheses, foreign bodies, patches, etc. that are not suitable for MRI examination; patients with electronic implants, such as pacemakers, stimulators, insulin pumps, cochlear implants, etc.
  * Critically ill subjects with various resuscitation devices or those with any emergency medical condition requiring first aid.
  * Subjects with poor compliance are considered to be excluded by the investigators.
  * Subjects who are not considered suitable for this trial by the investigators.