How can I convert a dicom image into tiff?

I would like to convert a dicom image into tiff. Do I use imwrite?How can I convert it into 256 gray values?

Answer 1

[Thorsten]

To convert to tiff (e.g., uint16 dicom to uint16 tif):

 I = dicomread('../../Downloads/CR-MONO1-10-chest');
 imwrite(I, 'chest.tif');

To convert to 256 values (uint8)

 I2 = uint8(255*double(I)/double(max(I(:))));
 imwrite(I2, 'chest256.tif');

[Ann G]

Thank you very much!!

[Thorsten]

Please accept the answer if you're happy with it.