lumpectomy vs extirpation

lumpectomy and extirpation both are nouns.

Word	Noun	Adjective	Verb	Adverb
lumpectomy	Yes	No	No	No
extirpation	Yes	No	No	No

As nouns, extirpation is a hypernym of lumpectomy; that is, extirpation is a word with a broader meaning than lumpectomy:

lumpectomy: surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer
extirpation: surgical removal of a body part or tissue

Other hypernyms of lumpectomy include ablation, cutting out, excision.

lumpectomy (noun)	extirpation (noun)
surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer	surgical removal of a body part or tissue
	the act of pulling up or out; uprooting; cutting off from existence