Which case is more suspicious for malignant melanoma, and which case should the nurse prioritize for further assessment?

A 58-year-old female patient presents with a mole on her abdomen. The mole appears asymmetrical, has irregular borders, no variations in color, and a diameter of 2 millimeters. She reports recent changes in size, itching, and bleeding

A 65-year-old male patient presents with a freckle on his forearm. The freckle is symmetrical, has smooth borders, uniform color, and a diameter of 4 millimeters. He reports no changes in size or color and no associated symptoms.

A 65-year-old male patient presents with a mole on his arm. The mole is symmetrical, has smooth borders, uniform color, and a diameter of 6 millimeters. He reports no changes in size or color and no associated symptoms.

A 60-year-old female patient presents with a lesion on her leg. The lesion appears symmetrical, has smooth borders, uniform color, and a diameter of 5 millimeters. She reports no changes in size or color but experiences occasional itching.