High negative predictive value of 68Ga PSMA PET-CT for local lymph node metastases in high risk primary prostate cancer with histopathological correlation oleh Labib Ataur Rahman, Damacent Rutagengwa, Peter Lin, Michael Lin, June Yap, Ken Lai, Pascal Mancuso, Prem Rathore, Kayvan Haghighi, Paul Gassner, Lee Hao Wong, Nestor Lalak