Table 2. Surgical and pathological outcomes.

	ILC (n=177)		IDC (n=1718)
	No. of patients	%	No. of patients	%	χ2 P-value
Final surgical outcome
Conservative	33	19	576	34	<0.001
Mastectomy	139	79	1078	63
No surgery	5	3	64	4
Pathological response
No pCR	165	93	1404	82	<0.001
pCR	6	3	246	14

Abbreviations: IDC=invasive ductal carcinoma; ILC=invasive lobular carcinoma; pCR=pathological complete response.