sentences:  Although the immediate diagnosis was heat exhaustion, the medical examination revealed that he was suffering from cancer of the larynx.After surgery to remove the cancer (and one vocal cord), Wetmore had to cope for the rest of his ministry with a voice which was faint and hoarse.For several years he made use of his own portable sound system, as voice amplification was rare in smaller churches in the diocese at that time, to continue to be able to preach and lead worship.