Mr. Williams, 75 years old, comes to the urgent care center
with complaints of fever, fast heartbeat, a swollen gland
under his right arm, and redness in his upper left arm that
has hurt for 2 to 3 days. The patient says that he has had
the redness in his arm for months without any difficulty. The
nurse practitioner suspects which of the following?
Influenza
Cellulitis of upper left arm
Necrotizing fasciitis
Lymphangitis