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14 ng/ml, and he began treatment with a luteinising hormone-releasing hormone (LHRH) agonist, with biochemical response. The patient kept a regular follow-up, with PSA levels consistently [http://www.selleckchem.com/products/ag-221-enasidenib.html AG-221 in vitro] At the time, the patient has 5 months of follow-up after LHRH agonist discontinuation, and no evidence of clinical, biochemical, or radiologic failure to date (approximately 4 years after pulmonary wedge resection). Case report 3 We present a 79-year-old, Caucasian male patient. He was a non-smoker retired army officer with a history of following multiple comorbidities: kidney stones, acute lithiasic pancreatitis, unstable angina (coronary artery disease with catheterisation/stent placement), hypertension, type-II diabetes mellitus, gastroesophageal reflux disease, and colonic diverticulosis. The patient had undergone radical prostatectomy 17 years before and had a diagnosis of Gleason 7 prostate adenocarcinoma, pT3a pNx, with negative surgical margins. We did not have access to either [http://www.selleckchem.com/products/rsl3.html buy RSL3] pre- or post-operative PSA levels. Seventeen years later, he started complaining of insidious but progressive asthenia. Chest X-ray revealed two nodular opacities in the lower lobes of both lungs and thoracic CT scan presented multiple bilateral pulmonary nodules (middle right lobe, lingual, and apical segment of the left lower lobe) (Figure 3). Figure 3. Thoracic CT scan (patient #3) exhibiting bilateral nodes. Arrow indicates lesion in the left lung (apical segment of the lower lobe) and right lung (anterior segment of the lower [https://en.wikipedia.org/wiki/Succimer Succimer] lobe). The assessment of disease extension (abdominal, pelvic, and bone scan) did not reveal metastasis in any other locations; PSA was 2.07 ng/dl. The first bronchoscopy did not show any direct or indirect changes to the respiratory tree (cytology and microbiology were non-pathologic). This exam was repeated one month later, and endobronchial lesions were found in the left lung. Biopsy confirmed metastatic adenocarcinoma of the prostate (PSA positive; TTF1, CK7, and CK20 negative). The PET�CCT�CFDG presented with the expression of two hypermetabolic secondary nodes in apical and anterobasal segments of the lower lobe of the left lung. Many other bilateral nodular lesions were present but without significant hypermetabolic uptake (Figure 4). Figure 4. Patient #3 PET-CT-FDG: two hypermetabolic nodes in the lower lobe of the left lung �C apical and anterobasal segments (arrows). He initiated therapy with LHRH agonist along with bicalutamide (the latter only during the flare period), with PSA response. At the present time, he has five months of follow-up after initiating hormone therapy, with PSA levels