An 86-year-old male presents in the vascular laboratory with a history of right leg pitting edema for 1 week. The right leg is red and warm from midthigh to the ankle. The patient has prostate cancer and IVC filter placement because of previous DVT. a. What is your first impression? b.Calculate the Well’s score for this patient. c.on duplex examination, you find a continuous Doppler spectrum at the right and left common femoral veins. Do you revise your first impression? d. What should you focus on next, given the patient history, and what do you expect to find