KRAS and cancer: Peeters Peeters M M Association of progression-free survival, overall survival, and patient‐reported outcomes by skin toxicity and KRAS status in patients receiving panitumumab monotherapy Association of progression-free survival, overall survival, and patient‐reported outcomes by skin toxicity and KRAS status in patients receiving panitumumab monotherapy Cancer: Interdisciplinary Int. J. Am. Cancer Soc.