Vitamin B12 is absorbed in the ileum, the lower portion of the small ... need lifetime replacement if they’ve had corrective surgery for Crohn’s.” B12 is mostly found in animal products ...

For patients with stage IA NSCLC, lung resections, including lobectomy and segmentectomy, are associated with improved long-term survival compared with wedge resection.

Traditionally, chemotherapy was given after surgery (primary cytoreductive surgery (PCRS) and adjuvant chemotherapy). However, chemotherapy can be used before surgery (neoadjuvant chemotherapy (NACT) ...