Complex sentence: This is uncommon, found in only about 2% of cases of pancreatic cancer, and kidney cancer is by far the most common cancer to spread to the pancreas, followed by colorectal cancer, and those of the skin, breast, and lung.
Split into simpler sentences: This is uncommon, found in only about 2% of cases of pancreatic cancer. Kidney cancer is by far the most common cancer to spread to the pancreas, followed by colorectal cancer, and cancer of the skin, breast, and lung.