<prompt> Apple core apppearence in barium enema is seen in -Colonic carcinomaFissure in anoRectal carcinomaHemorrhoides  <response>: Ans. is a i.e., Colonic carcinoma Some Imp. Radiological featuresSeen in Spider leg appearance Polycystic kidney Cobra head appearance Ureterocele Flower vase appearance of ureters Horse shoe kidney Sandy patches Schistosomiasis of bladder Soap bubble appearance Hydronephrosis Apple core lesion on barium enema Ca colon Claw appearance on barium enema Intussusception Saw tooth appearance Diverticula of colon Birds beak appearance of esophagus on barium meal Achalasia Cork screw appearance of esophagus on barium meal Diffuse esophageal spasm String sign of Kantor Crohns ds Thumb printing sign Ischemic colitis 