//  use diameter()
//        double diameterValue() const;                               //+

//      no need for repeated computation of the diameter index, instead
//      return the diameter and let using functions find the category that's
//      appropriate to them.
//        uint16_t diameterCheck() const;                             //+ .h

//inline uint16_t Tumor::diameterCheck() const
//{
//    return d_diameter < 20 ? 0 :
//           d_diameter < 50 ? 1 :
//                             2;
//}
