SHOW NOTES — Red Flags for Cancer (Cheat Sheet)* What it is: * Non-mechanical symptoms raising suspicion for malignancy. * Classic signs: * Night pain * Unexplained weight loss * Constant, deep ache * No mechanical pattern * History of cancer * Rule-in test: * None — this is a screening cluster. * Rule-out clues: * Pain that changes with movement or position. * NPTE trap: * Night pain + weight loss = refer immediately. * Best treatment: * Medical referral, not PT.