Redefining Lumpectomy Using a Modification of the “Sick Lobe” Hypothesis and Ductal Anatomy

Table 1

Case distribution and results.

Age	Mean
Range 32–89	57
Tumor stage
DCSIS	155	28%
Stage 1 or 2	399	72%
# of successful endoscopies	465	84%
# BC with additional lesions		42.1%
If endoscopy not successful
margin +		19.1%
If endoscopy successful
margin +		4.7%
If endoscopy successful
nipple ward margin +		0.36%
Annual hazard rate for L/R recurrence
with endoscopic guidance		0.18%
Annual hazard rate for L/R recurrence
without endoscopic guidance		0.97%