Colorectal Cancer Histopathology Images

	Well differentiated tumour (x2)		Tumour invasion - Tumour almost at circumferential resection margin
	Moderately differentiated tumour (x2)		Tumour invasion - Involved lymph node at circumferential resection margin
	Poorly differentiated tumour (x2)		Tumour invasion - Tumour at circumferential resection margin
	Poorly differentiated tumour (x10)		Tumour invasion - Tumour deposit at circumferential resection margin
	Poorly differentiated tumour (x20)		Smooth contour of a soft tissue deposit
	Moderately differentiated tumour - mucinous pools remaining after radiotherapy		Excised liver metastasis
	Tumour invasion - Tumour almost at serosa (x2)		Vascular invasion
	Tumour invasion - Tumour almost at serosa (x20)		Lymphatic invasion
	Tumour invasion - Serosal involvement of tumour		Perineural invasion
	Tumour invasion - Serosal involvement of tumour		Crohn's rosary-like infiltrate
	Perforated rectal tumour		Positive MSH2 staining for mismatch repair deficiency (MMRD) (x10)
			Negative MLH1 staining for mismatch repair deficiency (MMRD) (x20)
			Negative PMS2 staining for mismatch repair deficiency (MMRD) (x20)