This _ presents with leg swelling of unclear etiology, concerning for DVT vs cellulitis. DDX includes chronic venous stasis changes, lymphedema, fracture or trauma, MSK pain, and other nonemergent causes of leg swelling. Doubt atypical presentation of CHF or other volume overload states. PE is low on the differential due to normal vital signs without symptoms. Low suspicion for constitutional infection or metabolic derangements.

Plan: basic labs, DVT US, consider plain films, reassess, likely discharge