But the problem was that the gamma detectors were these huge, bulky tubes, and they were filled with these scintillating crystals, and you just couldn't get them close enough around the breast to find small tumors.
Mas o problema era que os detetores gama eram tubos enormes e volumosos, preenchidos com cristais cintilantes, e não era possível tê-los suficientemente perto à volta da mama para poder encontrar tumores pequenos.