Unlike monthly incremental updates, the May 2017 release was a sizeable content dump aimed at filling the gaps left by First Aid 2017. Based on release notes from the time (archived on Reddit and SDN), this update focused on three specific areas:
The most notable addition in the May 2017 Path section was the "Leukemia/Lymphoma" series. SketchyPath attempted to use the same visual geography as Micro to explain Acute vs. Chronic and Myeloid vs. Lymphoid . This was controversial; many students felt forcing pathology into the "sketchy format" was overkill. Sketchy Medical -Micro Pharm Path- May 2017