Companion Diagnostics Market Size By Product (Instruments, Consumables, Services), By Disease Indication (Breast cancer, Lung cancer, Colorectal Cancer, Skin cancer), By Technology (Immunohistochemistry, In Situ Hybridization, Polymerase Chain Reaction, Genetic Sequencing), By End-use (Hospitals, Diagnostic Laboratories), Industry Analysis Report, Regional Outlook, Application Potential, Competiti