The mother of Aidan Zingg, a rising motocross star who died in a mid-race crash June 28, told USA TODAY the cause of death was cardiac tamponade.

An official cause of death has been released just days after the 'Nip/Tuck' actor's wife revealed he died early this month following a private battle with cancer.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.

Julian McMahon's cause of death has been confirmed. The "Nip/Tuck" star died from lung metastasis, a report from the Pinellas County Medical Examiner's Office reviewed by USA TODAY confirmed.