Gadzira shanduro yakaoma zvikuru yemutsara uyu Kubatanidza kusiri kwomuzvarirwo (fistula) nguva nenguva kunovamba pakati peesophagus ne trachea (windpipe).
Chokwadi, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi: "Zvibatanidzo zvisiri zvomuzvarirwo (fistula) zvinogona kukura pakati pezvomumhino nechitinha (trachea), zvichiwedzerawo ngozi yepneumonia, iyo inowanzoshevedzwa nokukosora, fivha, kana kuti kuda".