Table 1

Summary of clinical and molecular results of the 18 adenocarcinoma samples

Case no.SexAge (years)Tumour siteBiopsy/surgical sample%ctEGFR mutation
status (NGS)
KRAS mutation status (NGS)Other oncogenic alterationsIdylla EGFR mutation assayIdylla KRAS mutation testEGFRT790M ddPCR with mutant fraction
#1F54LungB40c.2156G>C(p.G719A) and c.2303G>T(p.S768I)G719X and S768IT790M+ (0,36%)
#2F57LungB60c.2240_2257del(p.L747_P753delinsS)DEL EXON 19T790M−
#3F61LungB50c.2573T>G (p.L858R)L858RT790M−
#4M66PeritoneumB20c.2235_2249del (p.E746_A750del) and c.2369C>T (p.T790M)DEL EXON 19T790M+ (4.6%)
#5F49LungS30c.2236_2250del(p.E746_A750del)DEL EXON 19T790M+ (1.17%)
#6M78LungS60c.2573T>G(p.L858R)L858RT790M−
#7F61LungB50c.2235_2249del(p.K745_A750delinsK) and c.2369C>T (p.T790M)DEL EXON 19T790M+ (4,1%)
#8F86LungB30c.2573T>G (p.L858R) and c.2369C>T (p.T790M)L858RT790M+ (1.2%)
#9F58LungS60c.2156G>C(p.G719A) and c.2582T>A (p.L861Q)G719X and L861QT790M+ (0.2%)
#10F72LungS80c.2573T>G (p.L858R) and c.2369C>T (p.T790M)L858R and T790 MT790M+ (51.6%)
#11F61Lymph nodeB40c.183A>T (p.Q61H)Q61HT790M+ (0.19%)
#12F70LungS80c.34G>T (p.G12C)G12CT790M+ (0.13%)
#13F63LungS60c.38G>A (p.G13D)G13DT790M+ (0.17%)
#14F69LungS70c.35G>C (p.G12A)G12AT790M+ (0.18%)
#15M85LungS40BRAF c.1799T>A (p.V600E)T790M+ (0.23%)
#16M35PleuraS70ALK rearrangementT790M+ (0.22%)
#17M68LiverB80ROS1 rearrangementT790M−
#18F47Lymph nodeS80RET rearrangementT790M+ (0.17%)
  • %ct, percentage of tumour cells; –, no genetic alteration detected; B, biopsy; ddPCR, droplet digital PCR; F, female; M, male; NGS, next-generation sequencing; S, surgical sample.