Long Survival and Severe Toxicity Under 5-Fluorouracil–Based Therapy in a Patient With Colorectal Cancer Who Harbors a Germline Codon-Stop Mutation in TYMS

Long Survival and Severe Toxicity Under 5-Fluorouracil–Based Therapy in a Patient With Colorectal Cancer Who Harbors a Germline Codon-Stop Mutation in TYMS