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Supplemental Information

The abdominal CT scan for primary liver tumor.

A 10.6 x 8.8 cm hepatic tumor was noted over right lobe by contrast-enhanced CT.

DOI: 10.7287/peerj.preprints.212v1/supp-1

The abdominal CT scan for metastatic lesion.

The heterogeneous mass over left psoas muscle was noted by contrast-enhanced CT, the size is 4x4x 3 cm (white arrow).

DOI: 10.7287/peerj.preprints.212v1/supp-2

The abdominal CT scan for metastatic lesion.

Hypervascularity of the psoas tumor was proved by abdominal angiography(white arrow).

DOI: 10.7287/peerj.preprints.212v1/supp-3

The gross picture of metastatic lesion.

One fragile, reddish mass within the psoas muscle was observed during operation(white arrow).

DOI: 10.7287/peerj.preprints.212v1/supp-4

The abdominal CT scan for metastatic lesion

The right para-vertebral mass showed the characteristics of high signal in MRI image (white arrow).

DOI: 10.7287/peerj.preprints.212v1/supp-5

The metastatic sites noted over para-vertebral area.

The metastasis locations (red spot) hint the presence of metastatic route via Batson’s venous.

DOI: 10.7287/peerj.preprints.212v1/supp-6

Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Po-Chin Liang conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Kai-Wen Huang contributed reagents/materials/analysis tools.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

1.National Taiwan University Hospital (NTUH) Research Ethics Committee (REC)

2.These patients were reviewed retrospectively and all of them had sign the informed consents to agree with the use of medical image and surgical specimens for clinical research.

Funding

The author declares there was no funding for this work. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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