Table 1 Rate of upstaging to invasive ductal cancer after subsequent surgical excision
DCIS presenting as a mass | Rate of upstaging | P value | |
|---|---|---|---|
All mass DCIS | 56 % (35/63) | - | |
Palpability | Absent | 38 % (13/34) | <0.01 |
Present | 76 % (22/29) | ||
Size | ≤10 mm | 37 % (11/30) | <0.01 |
>10 mm | 73 % (24/33) | ||
≤15 mm | 43 % (20/47) | <0.001 | |
>15 mm | 94 % (15/16) | ||
≤20 mm | 48 % (25/52) | >0.05 | |
>20 mm | 91 % (10/11) | ||
≤30 mm | 52 % (30/58) | <0.05 | |
>30 mm | 100 % (5/5) | ||