. 2009 Oct 2;9:350. doi: 10.1186/1471-2407-9-350

Table 2.

Weighted mean surface roughness data of human breast tissue sections from normal cells as well as different grades of cancer.

Human Breast Tissue Sections	*Roughness (nm),**
Normal	24.6404 ± 0.1254
Grade I	33.8073 ± 0.0467
Grade II	61.4068 ± 0.0118
Grade III	109.0707 ± 2.9733e-3
Giant Multinucleate cells	606.7377 ± 2.8342e-3

*The surface areas chosen to calculate the cell surface roughness were 50 × 50 data points for all the tissue sections. Inline graphic represents the weighted mean surface roughness. The values for the surface roughness of the cells were calculated over 4 different cells and are given as the weighted mean ± standard deviation.