Also known as: Liver cancer
Newborn twins are both born with aggressive liver tumors causing multi-organ failure. The episode centers on Karev's difficult decision about which twin receives the only available liver transplant, ultimately choosing Emma while attempting a tumor resection on Daniel, who dies during surgery.
Also known as: Kidney failure
Both newborn twins develop renal failure as a complication of their liver tumors invading their kidneys, contributing to their critical condition and need for urgent transplant.
Also known as: Newborn jaundice
Both twins present with jaundice at birth, which is the initial sign that leads to discovery of their liver tumors.
Also known as: RDS, immature lungs
Both twins experience respiratory distress at birth due to their tumors affecting lung function, requiring immediate NICU care with ventilator support.
A pediatric patient being treated by Karev for constipation, kept in the hospital until she can have a bowel movement. This is a minor case that provides comic relief and shows Karev's peds work.