A 25 - years old patient presents with fatigue and abdominal pain. on examination jaundice and splenomegaly. On USG gall stones seen. Diagnosis.: (A) Sickle cell anemia, (B) Acute pancreatitis, (C) Hereditary spherocytosis, (D) Cholangitis
Answer is C. Sickle cell anemia :

Jandice,Gallstones.
Splenomegaly.
MCHC↑.