1. find the dicom tag:
a. RadiAnt show dicom tags : Ctrl + Alt + T
b.
dcmdump --read-file dicom_debug1/2.dcm | grep -e '0010'
2. modify
dcmodify --read-file dicom_debug1/*.dcm -m "(0010,0020)"=ct1-2655265-2
3. Check：
dcmdump --read-file dicom_debug1/2.dcm | grep -e '0010'
4. 常用tag:
(0010,0020): PatientID
