A 45-Year-Old Man Complaining of a Lump in the Groin $(5 \mathrm{~cm}$

A 45-year-old man complaining of a lump in the groin was seen by his physician. The lump, which caused him no pain or discomfort, was first recognized 3 months previously. On examination, a large discrete hard lump was found about 2 in. $(5 \mathrm{~cm}$ ) below and lateral to the pubic tubercle on the front of the right thigh.
-The following signs indicated that this patient had a melanoma of the right big toe with secondaries in the inguinal lymph nodes except which?

A) Two smaller hard swellings were found immediately below the large swelling.
B) On flexing the right knee joint, three small hard swellings could be palpated in the popliteal fossa.
C) The external genitalia were found to be normal.
D) Examination of the anal canal revealed nothing abnormal.
E) A small pigmented mole was discovered beneath the nail of the right big toe.