【单选题】A male infant is failing to thrive and, on examination, is noted to have hepatomegaly and splenomegaly, among other findings. Urinalysis reveals the presence of both dermatan sulfate and heparan sulfa...
【单选题】A 50-year-old female patient with severe jaundice was diagnosed with pancreatic cancer- You suspect that the tumor is located in-which portion of the pancreas?