Table 3 Associated lesions by DCIS grade.

From: Pathological features of 11,337 patients with primary ductal carcinoma in situ (DCIS) and subsequent events: results from the UK Sloane Project

Associated lesion DCIS grade
  High Percent Intermediate Percent Low Percent Unknown All patients
None 6628 92% 2647 85% 752 75% 21 78% 10,048 89%
ADH alone 238 3% 228 7% 144 14% 1 4% 611 5%
LISN alone 294 4% 190 6% 64 6% 3 11% 551 5%
ADH and LISN 32 0% 40 1% 38 4% 1 4% 111 1%
PLCIS 12 0% 2 0% 1 0% 1 4% 16 0%
Total 7204 100% 3107 100% 999 100% 27 100% 11,337 100%
  1. ADH atypical ductal hyperplasia, LISN lobular in situ neoplasia, PLCIS pleomorphic lobular carcinoma in situ.