02 - Larynx: Stenosis and atresia 41 - Posterior tibial artery: Thrombus 42 - Stomach: Hairball 51 - Liver: Obliteration of portal vein 52 - Small intestine: Typhoid fever 53 - Small intestine: Leukemia 54 - Kidney: Atrophy and degeneration 55 - Kidney: Chronic interstitial nephritis