Lymphoid Interstitial Pneumonia, also known as lymphocytic interstitial pneumonia, is related to head and neck cancer and speech and communication disorders, and has symptoms including oral manifestations and cheilodynia. An important gene associated with Lymphoid Interstitial Pneumonia is CD4 (CD4 Molecule), and among its related pathways/superpathways are Innate Immune System and ERK Signaling. Affiliated tissues include lung and kidney, and related phenotypes are cough and failure to thrive