85M dementia, colon cancer and recent colectomy with primary reanastomosis  p/w melena. HCT 30 to 23 but hemodynamically stable. NGL negative.  Exam notable for Tm 99 BP 128/50 HR 70 RR 16 with sat 100 on RA. WD man, NAD. Chest clear, JVP 8cm. RR s1s2. Soft abdomen, well healed surgical scar. No edema or cord. Labs notable for WBC 7K, HCT 24, K+ 4.0, Cr 0.7.