Fig. 3.

Radiograph showing a large region more or less filled with bismuth from the anal canal forward and upward, as indicated by lines 1 and 2; a severe case of proctitis, sigmoiditis, peri­proc­titis, and peri­sig­moid­itis.

Fig. 4.

Radiograph showing a tube in the rectum and probe passed to the left of the rectum into the space where bismuth was injected; a case of acute proctitis, sigmoiditis, peri­proc­titis, and peri­sig­moid­itis at time of treatment.

Fig. 5.

Radiograph showing bismuth in a perirectal channel on the left side of the anus and rectum, which caused continuous annoying pain for many months.