A 42-year-old male presents to the clinic with complaints of…

A 42-year-old male presents to the clinic with complaints of fatigue, weakness, shortness of breath, and palpitations over the past several months. His skin appears pale, and physical examination reveals mild hepatosplenomegaly. His occupational history includes working in an old building renovation project. Laboratory Findings: Hemoglobin: 8.5 g/dL (low) Hematocrit: 28% (low) MCV: 72 fL (low) RDW: Increased Serum iron: Increased Ferritin: Increased TIBC: Decreased Peripheral Blood Smear: Microcytic, hypochromic red blood cells with basophilic stippling and Pappenheimer bodies The blood smear looks like the following:    What is the most likely diagnosis based on the patient’s clinical presentation and laboratory findings?