“…In appendicitis there is pelvic tenderness in 30-50 per cent. It is usually in the right side, but may be bilateral and sometimes in the left side alone (HOLTZ 1930, WALLERSTROM 1932, REID, POER & MERELL 1936, COLLINS 1938, REID 1938, SLATTERY & HINTON 1942, COPE 1951.…”