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Table 1 MMTV-like env gene sequences in benign breast tissues and subsequent breast cancer in the same patients

From: Mouse mammary tumor-like virus (MMTV) is present in human breast tissue before development of virally associated breast cancer

Patient Age Diagnosis MMTV-like New York (ISMMS) by PCR MMTV-like Pisa (UP) by PCR
1 36 Benign neg neg
41 IDC- NST neg neg
2 72 Benign   neg
75 DCIS- mucinous   neg
3 33 Benign neg neg
44 IDC/DCIS- NST neg neg
4 45 Benign pos neg
46 DCIS-cribriform pos neg
5 50 Benign pos neg
60 ILC-pleomorphic pos pos
6 62 Benign neg  
66 DCIS- micropapillary neg  
7 47 Benign neg  
56 IDC-NST neg  
8 49 Benign   neg
52 IDC- NST   neg
9 46 Benign neg  
53 IDC-NST pos  
10 48 Hyperplasia pos  
52 IDC-NST pos  
11 35 Benign   neg
46 IDC   neg
12 44 Benign neg neg
48 IDC-NST neg neg
13 67 Benign   neg
75 IDC-NST   neg
14 48 Benign neg neg
54 IDC-NST neg neg
15 42 Benign   neg
49 IDC-NST   pos
16 42 Benign   neg
48 IDC-NST   neg
17 39 Benign neg  
45 ILC neg  
18 53 Benign neg  
62 DCIS pos  
19 65 Benign   pos
67 IDC-NST   neg
20 39 Benign neg  
44 DCIS-comedo neg  
21 55 Benign   neg
62 IDC-NST   neg
22 37 Benign neg neg
39 IDC-cribriform, mucinous neg neg
23 39 Benign pos neg
42 DCIS-comedo pos neg
24 48 Benign pos  
54 DCIS-cribriform pos  
25 63 Benign neg  
67 IDC-NST pos  
  1. IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, DCIS ductal carcinoma in situ, NST no special type, pos positive, neg negative