Fig. 1From: Feasibility of 7-T fluorine magnetic resonance spectroscopic imaging (19F MRSI) for TAS-102 metabolite detection in the liver of patients with metastatic colorectal cancerAntennas. Two broadband fractionated dipole antennas (a). All eight antennas (b). All eight antennas positioned on a volunteer (c). Each antenna is connected to an individual resonance frequency amplifier, enabling eight-channel B1 shimmingBack to article page