gastrectomy vs surgical process

gastrectomy and surgical process both are nouns.

Word	Noun	Adjective	Verb	Adverb
gastrectomy	Yes	No	No	No
surgical process	Yes	No	No	No

As nouns, surgical process is a hypernym of gastrectomy; that is, surgical process is a word with a broader meaning than gastrectomy:

gastrectomy: surgical removal of all or part of the stomach
surgical process: a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body

Other hypernyms of gastrectomy include operation, surgery, surgical operation, surgical procedure.

gastrectomy (noun)	surgical process (noun)
surgical removal of all or part of the stomach	a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body