std::cout << "Extracting tag: (0x" << std::hex << std::setw(4) << std::setfill('0')
<< group << ",0x" << std::setw(4) << std::setfill('0') << elem << ")" << std::endl;
std::string dicom_tag_value = f->GetEntryString(group, elem);
std::cout << "Extracting tag: (0x" << std::hex << std::setw(4) << std::setfill('0')
<< group << ",0x" << std::setw(4) << std::setfill('0') << elem << ")" << std::endl;
std::string dicom_tag_value = f->GetEntryString(group, elem);