Also known as: Ruptured aneurysm
Katie Bryce's original diagnosis from years ago (Day 1 of Meredith's internship), referenced as backstory to explain her current presentation and medical history.
Also known as: Brain aneurysm
Katie Bryce returns with a new, massive frontal lobe aneurysm described as 'the biggest one I have ever seen' and likened to 'a live grenade in her head.' Amelia performs a high-risk clipping surgery successfully.
Also known as: Port infection
Daphne, a cancer patient, develops a severe portacath infection (Pseudomonas) causing massive bleeding when removed. She develops septicemia requiring emergency surgery with risk of systemic inflammatory response syndrome (SIRS).
Also known as: Inflamed appendix
A pregnant patient presents with abdominal pain suspected to be appendicitis. Arizona Robbins performs an appendectomy during the episode.
Also known as: Terminal cancer
Daphne is a cancer patient who had liver metastases resected by Meredith Grey. She is declared cancer-free after 10 months of treatment, though she later develops a fatal portacath infection.
Also known as: Unplanned pregnancy
April Kepner is revealed to be 9 weeks pregnant following her divorce from Jackson Avery. She has not yet told Jackson about the pregnancy, creating a recurring character arc subplot.