Wednesday's TV Highlights: 'Law & Order: Special Victims Unit' on NBC

Heartbeat Alex and Ji-Sung (Melissa George, Maya Erskine) treat a transgender woman’s (guest star Candis Cayne, “I Am Cait”) breast cancer. 8 p.m. NBC

Arrow Still despondent over the team’s recent loss, Diggle (David Ramsey) is determined to find Andy (Eugene Byrd) and settle the score....