Leukemia. I assume you are asking about acute leukemia. In teen, incidence of acute lymphoblastic leukemia is way more common than aml. Symptoms can include-fatigue/no energy, pallor, shortnes of breath easily, multiple episodes of infections, fevers, chils, bony pain, easy bruising, bleeding, weight loss, etc. Read more at www. Lls. Org, www. Cancer. Gov or www. Nccn. Com.