Table 1.

Review of invasive CHCs in the literature

Soure, y	Age, y	Type of Disease Present	Lymph Node Status	ER/PRa
Rosen and Scott [2], 1984	52	Invasive	c	Pos/NA
	47	Invasive	N1	NA
	62	invasive	N0	NA
Guerry et al. [1], 1988	NA	Invasive	N1	NA
	NA	Invasive	c	NA
Adams and Lacey [12], 1990	70	Microinvasive	N0	Neg/pos
Kim et al. [3], 1997	37	Invasive	N0	NA
Herrmann et al. [4], 1999	49	Invasive	N0	Pos/pos
Lee JS [5], 2004	45	Invasive	N0	Neg/neg
Shin SJ [6], 2004	42b	Invasive	N (micro)	NA
Skalova A [7], 2005 (two cases)	66.8b	Invasive	NA	One Case Pos/pos
Chen DB [13], 2010	44	Microinvasive	NA	Pos/pos
Song SW [8], 2011	43	Invasive	NA	NA
D’Alfonso TM [14], 2014	62.8b	Microinvasive	NA	Pos/pos
Bi R [9], 2014	37	Invasive	N1	NA
	46	Invasive	NA	NA
Gupta P [10], 2014	57	Invasive	N0	Neg/neg
Sahoo N [11], 2017	32	Invasive	N1	Neg/neg
Present case	63	Invasive	N1	Neg/neg

^aER/PR indicates estrogen receptor/progesterone receptor; NA: not available;

pos: positive; neg: negative;

N (micro): lymph node micrometastasis

^bMean age

^cIndicates cases with distal metastatic disease