Thoracic and cutaneous sarcoid-like reaction associated with anti-PD-1 therapy: longitudinal monitoring of PD-1 and PD-L1 expression after stopping treatment ============================================================================================================================================================= * Léa Paolini * Caroline Poli * Simon Blanchard * Thierry Urban * Anne Croué * Marie-Christine Rousselet * Sarah Le Roux * Nathalie Labarrière * Pascale Jeannin * José Hureaux