Also known as: Absorbed twin
Greg is a junk collector who has experienced chronic abdominal pain for 10 years. Imaging reveals he has a fetus in fetu - an extremely rare condition where he absorbed his own twin in utero. The mass contains recognizable anatomical structures including fingers, teeth, spinal column, and organs. The surgical team removes it and preserves it in a jar for Greg to keep.
Also known as: Underdeveloped left heart
Sheryll is a 17-year-old pregnant patient with HLHS who has had at least one failed conduit procedure. She desperately wants to be included in Cristina's clinical trial for a new conduit procedure, but is deemed too old (trial requires pre-pubescent patients). She goes into labor and delivers her baby, with concerns about cardiac stress during delivery.
Also known as: Reflux
Alex Karev performs a transoral fundoplication through the mouth and belly button to repair a pediatric patient's reflux without leaving external scars. This is presented as a cutting-edge procedure only being performed at top-level pediatric surgery programs.