Genetic Overlap Between Anomalies and Cancer in Kids in the Children's Oncology Group: The COG GOBACK Study

Inclusion Criteria

• •The patient must have been diagnosed with cancer at ≤25 years of age and have been diagnosed with one or more congenital anomalies reported through the APEC14B1 registry intake data. All types of non-syndromic birth defects and all types of cancers are eligible, regardless of patient vital status.
• •The patient must be enrolled on APEC14B1 with consent to future contact and registered with COG by a North American member institution. Note: (history of) treatment on a COG therapeutic trial is not required.
• •Language: English, French, or Spanish speaking.
• •The patient may participate regardless of the availability of biological parent(s).