Aspiration Pneumonia, also known as pneumonia, aspiration, is related to megaesophagus and aspiration pneumonitis, and has symptoms including tachypnea and cough. An important gene associated with Aspiration Pneumonia is CHAT (Choline O-Acetyltransferase), and among its related pathways/superpathways are Alzheimer's disease and miRNA effects and Immune response IL-23 signaling pathway. The drugs Dopamine and Metoclopramide have been mentioned in the context of this disorder. Affiliated tissues include lung and liver, and related phenotypes are homeostasis/metabolism and growth/size/body region