Question on a patient

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Rachel Marcone

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Jan 13, 2026, 8:39:57 AM (14 days ago) Jan 13
to cbiop...@googlegroups.com
Dear CbioPortal group,

Thank you for your webpage it is very useful.

Can you help me out with this : 
TCGA-PL-A8LV
 
This Breast cancer (BRCA-TCGA) patient has a overall survival in months that is -0.23, I can not understand what a negatif month means, can you help me out ?

Thank you, best wishes,

Rachel Marcone

jagn...@gmail.com

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Jan 15, 2026, 9:45:22 AM (12 days ago) Jan 15
to cBioPortal for Cancer Genomics Discussion Group

Hi Rachel,

Usually this means that the patient never followed up after the initial sample acquisition.

Link to GDC website


Please reply only to cbiop...@googlegroups.com

thanks
Jag
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