Lower extremity peripheral arterial disease presentation workup

A 62-year-old man, known to your practice as Mr. Grumps, presents complaining of recurrent calf pain. He notes that the pain arises consistently after walking approximately two blocks, but it subsides with rest. Based on the history provided, the most likely diagnosis is:

1: Neurogenic claudication
2: Superficial femoral artery disease
3: Deep vein thrombosis (DVT)
4: Diabetic neuropathy