Micro description: &#9679 Proliferative or weakly proliferative endometrium, often with stromal breakdown; endometrial hyperplasia (simple or complex, with or without atypia), occasional squamous metaplasia (squamoid morules), stromal foam cells; endometrial polyps with hyperplastic changes. &#9679 Changes may persist after therapy ends.
G.I. is a military term that means Government Issue.. Many older veterans will refer to current and former military members as GI's and it's the origin of the term G.I. Joe. Or. GI can be an abbreviation for gastrointestinal, referring to the human digestive tract.
GS stands for General Schedule, and describes the level of know-how and responsibility that different government jobs require (not exactly the same thing as what you were asking.) That being said, without any kind of higher ed (Associates or Bachelor's degree), you'll be applying for jobs at the entry-level end of the scale---GS-3, GS-4---maybe a GS-5.