ROI selection of tumor from Breast ultrasound image

I want to select ROI(region of interest) where tumor is located from Breast ultrasound image. Here i want to use region growing method.Here i want to select the seed point manually . I want algorithm and source code

Answer 1

[Image Analyst]

See my Magic Wand demo, attached. Acts like Adobe Photoshop's magic wand region growing too.

[Mehedi hasan shuvo]

Thank you very much.It was amazing