Greg - you seem to be contradicting yourself. Firstly you cite the NCI saying this form of testing cannot be used to personalise therapy - then you seem to be saying yes you can but it's too expensive.
I also challenge you math - as it is widely accepted that alk/egfr/Kras are mutually exclusive with the alk/egfr pair you only need to perform one not both.
However I Wholeheartedly support the use of pcd - go figure!