[Chronic myeloid leukemia with an in-frame exon 4 deletion in ABL1 with acute abdomen due to an intrapelvic bulky mass as the initial symptom]

A 23-year-old woman was admitted to our hospital because of rapidly developing lower abdominal pain. Computed tomography revealed ascites, splenomegaly, and a huge mass that occupied the pouch of Douglas and surrounded her uterus. A markedly elevated white blood cell count of 495×10