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The nomogram for predicting 1‐year, 3‐year, and 5‐year OS of patients with PSCC (A) and an example of using the nomogram (B). Each category of the prognostic variables was assigned a score based on the points scale. After summing up the score of each variable and locating the total score on the total points scale, a line was vertically drawn to the 1‐, 3‐, and 5‐year survival probability scale and estimated survival probability could be obtained
