The Postpartum Patient Has Developed Thrombophlebitis in Her Right Leg

The postpartum patient has developed thrombophlebitis in her right leg. Which finding requires immediate intervention?

A) The patient reports she had this condition after her last pregnancy.
B) The patient develops pain and swelling in her left lower leg.
C) The patient appears anxious, and describes pressure in her chest.
D) The patient becomes upset that she cannot go home yet.