In the past few years, tumour budding at the invasive margin has been reported as a new risk factor for lymph node metastasis in advanced colorectal cancers, but it is sometimes difficult to ...

A ‘tumor budding field’ was defined as a 20X microscopic field (Olympus BX45, Olympus Plan N 20X objective lens; measuring 0.785 mm 2) with five or more tumor buds based on the definition of ...