Fig. 1From: An endothelial growth factor receptor compound mutation of T790M substitution with exon 19 deletion in a previously untreated patient: a case reportPelvic magnetic resonance imaging. Infiltrative mass with areas of cystic appearance in the left sacral bone, extending to the sacroiliac joint and left iliac bone, obliterating the left neural foramina. Measures 6.2 × 7.9 × 5.3 cmBack to article page