This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acute Lymphoblastic Leukemia, Subject name: Pathology
The presence of the Philadelphia chromosome is associated worse with a prognosis in patients with which of the following diseases? 
Select and explain. 
A. Acute lymphoblastic leukemia, B. Acute myelogenous leukemia, C. Chronic lymphocytic leukemia, D. Chronic myelogenous leukemia
A: Acute lymphoblastic leukemia
Answer: A: Acute lymphoblastic leukemia 
Explanation: The presence of the Philadelphia chromosome is associated worse with a prognosis in patients with Acute lymphoblastic leukemia