A 60 yr old female with h/o 8 blood transfusions in 2 years. Her Hb-60g/L, TLC- 5800, platelet- 3.4 lakhs, MCV 60, RBC-2.1 lakhs/mm3. He is having hypochromic microcytic anemia. Which investigation is not needed?
. Urinary hemosiderin
Evaluation for pulmonary hemosiderosis
Urinary hemosiderin
Bone marrow examination
G I endoscopy