Value of histomorphometric tumour thickness and smoothelin for conventional m-classification in early oesophageal adenocarcinoma

Table 1 Comparison of the different subgroups

pT1 subgroup	Total	m1	m2	m3	m4	sm
No. of cases (n)	83	13	36	5	13	16
Tumour thickness (mm)	0.2-4.7	0.2-0.8	0.3-1.4	0.9-1.0	0.8-3.4	1.0-4.7
Mean ± SD (mm)	-	0.46 ± 0.19	0.64 ± 0.24	0.91 ± 0.05	1.78 ± 0.79	2.69 ± 1.03

Table 2 Muscularis mucosae duplication, n (%)

Total cases	33 (100)
Duplication	21 (64)
Percent of duplication in the lesion
≤ 5%	3 (9)
> 5% and ≤ 50%	5 (15)
> 50% and ≤ 95%	3 (9)
> 95%	10 (30)