Data is provided by Seoul National University Hospital (SNUH), Seoul National University Bundang Hospital (SNUBH), and SMG-SNU Boramae Medical Center (BRMH).

PAIP data set is available under a Creative Commons Attribution-Non Commercial 4.0 International License (CC BY-NC 4.0) Under the following terms:

• Attribution — You must give appropriate credit , provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• Non Commercial — You may not use the material for commercial purposes.
• No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

The PAIP uploads two types of pathology whole slide images(WSIs, SVS files); liver hepatocellular carcinoma and colorectal adenocarcinoma cases.

• liver hepatocellular carcinoma cases
• colorectal adenocarcinoma cases

The whole slide images include the corresponding annotations (XML files). However, please note that the annotation levels of two types of cancer are not the same due to the characteristics as follows.

• Liver cancer cases have 2 annotation levels, only for the tumor area and the other for the normal area.
• Colorectal cancer cases have 1 annotation level representing only the tumor area.

• SVS
• XML

• Organ

  01	liver
  02	biliary
  03	prostate
  04	kidney
  05	colon
  06	pancreas

• Diagnostic Information

  00	none
  01	Lymphatic Invasion
  02	Vascular Invasion
  03	Perineural Invasion

• Histology

  01	adenocarcinoma
  02	ductal adenocarcinoma
  03	hepatocellular carcinoma
  04	renal cell carcinoma

• Staining

  01	HE (hematoxylin eosin)
  02	IHC (immunohistochemistry)