Is sentinel lymph node biopsy feasible for breast cancer patients after neoadjuvant chemotherapy?
The SLN identification and false-negative rates were similar to rates in non-neoadjuvant studies. The SLN accurately predicted metastatic disease in the axilla of patients with tumor response following NAC.
These data show that in 55% of untreated. achalasia patients the LES pressure is either normal or low, and that laparoscopic Heller myotomy usually relieves symptoms regardless of preoperative LES pressure.