The Role of Large-Format Histopathology in Assessing Subgross Morphological Prognostic Parameters: A Single Institution Report of 1000 Consecutive Breast Cancer Cases

Table 1

1000 consecutive breast cancer cases by focality, disease extent, and stage. Falun, Dec 2007 to Jun 2012.

	Unifocal % (𝑛/𝑁)		Multifocal % (𝑛/𝑁)		Diffuse % (𝑛/𝑁)		Total % (𝑛/𝑁)
	Extensive	Nonextensive	Extensive	Nonextensive	Extensive	Nonextensive
In situ	0	31 (44/144)	17 (25/144)	11 (17/144)	3 (44/144)	10 (14/144)	14 (144/1000)
Early Invasive	0	40 (140/349)	20 (68/349)	14 (48/349)	22 (78/349)	4 (15/349)	35 (349/1000)
Advanced	3 (16/500)	33 (166/500)	30 (148/500)	8 (41/500)	22 (109/500)	4 (20/500)	50 (500/1000)
Extent	4 (16/366)	96 (350/366)	69 (241/347)	31 (106/347)	83 (231/280)	17 (49/280)	99 (993/1000)
Total	36% (366/1000)		35 (347/1000)		28 (280/1000)		100* (1000/1000)

*Disease extent was undetermined in 7 cases.