A 59-year-old male teetotaller, driver married, no past diseases, surgeries presents with an unexplained weight loss of approximately 6-7 kgs over 5-6 months.He has no other complaints, eating well, no fever, etc.Clinically - NAD. All routine tests, TFT, Blood Sugars, LFT, Cortisol levels, XRC, USG-Abdomen, HIV status, HBsAg etc are normal, ESR - 24/mm/ 1 hr except: Platelets - 1.14 lakhs/cu.mm ,mild Macrocytosis - 104, WBC & RBC morphology - Normal Hb - 13g% S, K+ is 3.7 (NR of 3.9 - 5.5) His S.
B-12 and Anti - HCV status is awaited. What could be the cause and how do I proceed now?
