What is the most likely diagnosis for a patient presenting with leg pain when walking, constant swelling in the feet, a history of cardiovascular disease, coronary artery disease, hyperlipidemia, hypertension, diabetes mellitus, smoking, and obesity?
A) Deep Vein Thrombosis (DVT)
B) Peripheral Arterial Disease (PAD)
C) Rheumatoid Arthritis (RA)
D) Plantar Fasciitis
