<prompt> Parasitic disease affecting intestine is -Chagas diseaseMalariaKala azarOriental sore  <response>: Option 1 Trypanosoma Cruzi: In chronic stage infection, damage occurs to Auerbachs plexus leads to dilatation of various pas of alimentary canal, especially the colon and esophagus the megadilatation disease. Option 2, 3 Malaria- Systemic manifestations Kala azar- Visceral leishmaniasia Option 4 Oriental Sore Old-World Cutaneous Leishmaniasis: it is caused by L. tropica complex L. tropica, L. aethopica, L. major. 