Acute promyelocytic leukemia presented as a relapse of acute myeloid leukemia. Issue 4 (29th February 2016) - Vitale, Candida; Jabbour, Elias; Lu, Xinyan; Yabe, Mariko; Kanagal Shamanna, Rashmi; Daver, Naval; Pemmaraju, Naveen; Bueso‐Ramos, Carlos E.; Takahashi, Koichi