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In the lymph node staging of non-small cell lung cancer, SUVmax, LN SUV/blood pool SUV, and size show statistically significant differences between malignant and benign lymph nodes. These variables can be used to differentiate malignant from benign lymph nodes. The combination of the SUVmax and size of lymph node might have a good negative predictive value.

A Gram-stain-negative, aerobic, non-motile and coccoid, ovoid or rod-shaped bacterial strain, designated JSSK-14T, was isolated from the place where the ocean and a freshwater spring meet at Jeju island, South Korea. Strain JSSK-14T grew optimally at pH 7.0-8.0, at 30 °C and in the presence of 1.0-2.0 % (w/v) NaCl. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain JSSK-14T fell within the clade comprising the type strains of species of the genus Erythrobacter. Strain JSSK-14T exhibited 16S rRNA gene sequence similarity values of 97.09-98.42 % to the type strains of Erythrobactergangjinensis, Erythrobacteratlanticus and Erythrobacterluteus and of 94.31-96.97 % to the type strains of the other species of the genus Erythrobacter. Strain JSSK-14T contained Q-10 as the predominant ubiquinone and C18 : 1ω7c as the major fatty acid. The major polar lipids of strain JSSK-14T were phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol and sphingoglycolipid. The DNA G+C content of strain JSSK-14T was 63.5 mol%, and its mean DNA-DNA relatedness values with the type strains of Erythrobactergangjinensis, Erythrobacteratlanticus and Erythrobacterluteus were 13-25 %. Differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, revealed that strain JSSK-14T is separated from recognized species of the genus Erythrobacter. On the basis of the data presented, strain JSSK-14T is considered to represent a novel species of the genus Erythrobacter, for which the name Erythrobacter aquimixticola sp. nov. is proposed. The type strain is JSSK-14T (=KCTC 52764T=NBRC 112765T).