Investors should be on high alert and consider buying shares of Tenet Healthcare Corp (NYSE:THC). The healthcare stock is trading near 52 week lows. That gives it significant upside potential. In addition, it has a beautiful bull flag consolidation pattern that is nearing full maturity. This is a fantastic high reward, low risk setup for investors. Tenet Healthcare has upside to $22.75, a possible gain of 33%. This is a classic bullish trade setup.