# Pattern of invasion

Pattern of invasion

The pattern of  invasion refers to the shape of  the advancing front or border of  the tumour. Like tumour grade/di ff erentiation, it is of important prognostic value. The UK Royal College of Pathologists recommends the grading of  pattern of  invasion into two broad categories: cohesive and non-cohesive. Pattern of invasion

The pattern of  invasion refers to the shape of  the advancing front or border of  the tumour. Like tumour grade/di ff erentiation, it is of important prognostic value. The UK Royal College of Pathologists recommends the grading of  pattern of  invasion into two broad categories: cohesive and non-cohesive.