Table 15: Types and grades of DCIS in Pure DCIS versus DCIS with micro invasion and DCIS with invasion.
| DCIS | DCIS with MI | DCIS with invasion | |
| Riberio, et al. [10] | - | Comedonecrosis-81.6% | - |
| Mascarel, et al. [16] | Non comedo necrosis predominant | Comedo necrosis predominant | - |
| Low grade predominant | High grade predominant | ||
| Present study | Non comedo necrosis - 59% | Comedo necrosis - 71.4% | Comedo necrosis - 83% |
| Intermediate grade (54.9%) predominant | High grade (71.4%) predominant | High grade (84.5%) predominant |