Question about lesion mask

Question about lesion mask  

  By: weisskohl on April 25, 2022, 10:06 a.m.

Thanks for organizing the great challenge. I found there are some patients with mask=0. If there are some patients in this dataset are healthy and diagnosed without lesions? For example: PETCT_3f2ee0274d, PETCT_2745fb1adb. Thanks for your kind reply.

Re: Question about lesion mask  

  By: sergios.gatidis on April 25, 2022, 3:33 p.m.

That is correct. You can obtain more information under "Dataset":

The challenge cohort consists of patients with histologically proven malignant melanoma, lymphoma or lung cancer as well as negative control patients who were examined by FDG-PET/CT.

Also, more details are available here: https://zenodo.org/record/6362493#.Yma_LvNBy3I