GLO:81V/01dec22:jpc15886-fig-0001.jpg PHOTO (COLOR): 1 Left axillary tumefaction with 180° abduction arm. gl GLO:81V/01dec22:jpc15886-fig-0002.jpg PHOTO (COLOR): 2 Left axillary tumefaction with 90° abduction arm. gl GLO:81V/01dec22:jpc15886-fig-0003.jpg PHOTO (COLOR): 3 Left axillary tumefaction with adduction arm. gl What diagnosis should you consider? A 9-year-old female, previously healthy, Tanner II, clinically asymptomatic, had a soft left axillary tumefaction with intermittent local pain, measuring up to 2 cm in diameter with ill-defined limits and non-adherent to adjacent planes (Figs 1-3). [Extracted from the article]